Home / 16,859.19-23,266.74-9,691.40

Finding the Fourth Proportional to 16,859.19, 23,266.74 and 9,691.40

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Solution

The fourth proportional to 16,859.19, 23,266.74 and 9,691.40 is: 13,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.19 : 23,266.74 = 9,691.40 : x
  2. Step 2: Convert to fraction form
    16,859.19/23,266.74 = 9,691.40/x
  3. Step 3: Cross multiply
    16,859.19x = 23,266.74 × 9,691.40
  4. Step 4: Simplify right side
    16,859.19x = 225,487,284.04
  5. Step 5: Solve for x
    x = 225,487,284.04/16,859.19
  6. Step 6: Final answer
    x = 13,374.74

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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.