Home / 15,007.12-22,516.80-6,240.40

Finding the Fourth Proportional to 15,007.12, 22,516.80 and 6,240.40

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Solution

The fourth proportional to 15,007.12, 22,516.80 and 6,240.40 is: 9,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.12 : 22,516.80 = 6,240.40 : x
  2. Step 2: Convert to fraction form
    15,007.12/22,516.80 = 6,240.40/x
  3. Step 3: Cross multiply
    15,007.12x = 22,516.80 × 6,240.40
  4. Step 4: Simplify right side
    15,007.12x = 140,513,838.72
  5. Step 5: Solve for x
    x = 140,513,838.72/15,007.12
  6. Step 6: Final answer
    x = 9,363.14

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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.