Home / 12,590.13-17,373.32-7,285.29

Finding the Fourth Proportional to 12,590.13, 17,373.32 and 7,285.29

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Solution

The fourth proportional to 12,590.13, 17,373.32 and 7,285.29 is: 10,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.13 : 17,373.32 = 7,285.29 : x
  2. Step 2: Convert to fraction form
    12,590.13/17,373.32 = 7,285.29/x
  3. Step 3: Cross multiply
    12,590.13x = 17,373.32 × 7,285.29
  4. Step 4: Simplify right side
    12,590.13x = 126,569,551.17
  5. Step 5: Solve for x
    x = 126,569,551.17/12,590.13
  6. Step 6: Final answer
    x = 10,053.08

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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.