Home / 10,329.28-14,253.90-5,613.40

Finding the Fourth Proportional to 10,329.28, 14,253.90 and 5,613.40

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Solution

The fourth proportional to 10,329.28, 14,253.90 and 5,613.40 is: 7,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.28 : 14,253.90 = 5,613.40 : x
  2. Step 2: Convert to fraction form
    10,329.28/14,253.90 = 5,613.40/x
  3. Step 3: Cross multiply
    10,329.28x = 14,253.90 × 5,613.40
  4. Step 4: Simplify right side
    10,329.28x = 80,012,842.26
  5. Step 5: Solve for x
    x = 80,012,842.26/10,329.28
  6. Step 6: Final answer
    x = 7,746.22

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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.