Home / 15,294.62-21,107.13-8,580.26

Finding the Fourth Proportional to 15,294.62, 21,107.13 and 8,580.26

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Solution

The fourth proportional to 15,294.62, 21,107.13 and 8,580.26 is: 11,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.62 : 21,107.13 = 8,580.26 : x
  2. Step 2: Convert to fraction form
    15,294.62/21,107.13 = 8,580.26/x
  3. Step 3: Cross multiply
    15,294.62x = 21,107.13 × 8,580.26
  4. Step 4: Simplify right side
    15,294.62x = 181,104,663.25
  5. Step 5: Solve for x
    x = 181,104,663.25/15,294.62
  6. Step 6: Final answer
    x = 11,841.07

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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.