Home / 16,139.04-22,272.08-9,065.40

Finding the Fourth Proportional to 16,139.04, 22,272.08 and 9,065.40

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Solution

The fourth proportional to 16,139.04, 22,272.08 and 9,065.40 is: 12,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139.04 : 22,272.08 = 9,065.40 : x
  2. Step 2: Convert to fraction form
    16,139.04/22,272.08 = 9,065.40/x
  3. Step 3: Cross multiply
    16,139.04x = 22,272.08 × 9,065.40
  4. Step 4: Simplify right side
    16,139.04x = 201,905,314.03
  5. Step 5: Solve for x
    x = 201,905,314.03/16,139.04
  6. Step 6: Final answer
    x = 12,510.37

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.