Home / 9,165.09-12,646.93-7,281.24

Finding the Fourth Proportional to 9,165.09, 12,646.93 and 7,281.24

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Solution

The fourth proportional to 9,165.09, 12,646.93 and 7,281.24 is: 10,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.09 : 12,646.93 = 7,281.24 : x
  2. Step 2: Convert to fraction form
    9,165.09/12,646.93 = 7,281.24/x
  3. Step 3: Cross multiply
    9,165.09x = 12,646.93 × 7,281.24
  4. Step 4: Simplify right side
    9,165.09x = 92,085,332.59
  5. Step 5: Solve for x
    x = 92,085,332.59/9,165.09
  6. Step 6: Final answer
    x = 10,047.40

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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.