Home / 10,095.30-15,145.65-9,007.20

Finding the Fourth Proportional to 10,095.30, 15,145.65 and 9,007.20

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Solution

The fourth proportional to 10,095.30, 15,145.65 and 9,007.20 is: 13,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.30 : 15,145.65 = 9,007.20 : x
  2. Step 2: Convert to fraction form
    10,095.30/15,145.65 = 9,007.20/x
  3. Step 3: Cross multiply
    10,095.30x = 15,145.65 × 9,007.20
  4. Step 4: Simplify right side
    10,095.30x = 136,419,898.68
  5. Step 5: Solve for x
    x = 136,419,898.68/10,095.30
  6. Step 6: Final answer
    x = 13,513.21

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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.