Home / 10,280.04-15,409.13-5,344.71

Finding the Fourth Proportional to 10,280.04, 15,409.13 and 5,344.71

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Solution

The fourth proportional to 10,280.04, 15,409.13 and 5,344.71 is: 8,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.04 : 15,409.13 = 5,344.71 : x
  2. Step 2: Convert to fraction form
    10,280.04/15,409.13 = 5,344.71/x
  3. Step 3: Cross multiply
    10,280.04x = 15,409.13 × 5,344.71
  4. Step 4: Simplify right side
    10,280.04x = 82,357,304.48
  5. Step 5: Solve for x
    x = 82,357,304.48/10,280.04
  6. Step 6: Final answer
    x = 8,011.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.