Home / 15,391.80-23,089.32-5,001.12

Finding the Fourth Proportional to 15,391.80, 23,089.32 and 5,001.12

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Solution

The fourth proportional to 15,391.80, 23,089.32 and 5,001.12 is: 7,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.80 : 23,089.32 = 5,001.12 : x
  2. Step 2: Convert to fraction form
    15,391.80/23,089.32 = 5,001.12/x
  3. Step 3: Cross multiply
    15,391.80x = 23,089.32 × 5,001.12
  4. Step 4: Simplify right side
    15,391.80x = 115,472,460.04
  5. Step 5: Solve for x
    x = 115,472,460.04/15,391.80
  6. Step 6: Final answer
    x = 7,502.21

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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.