Home / 15,397.56-21,252.03-10,010.62

Finding the Fourth Proportional to 15,397.56, 21,252.03 and 10,010.62

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Solution

The fourth proportional to 15,397.56, 21,252.03 and 10,010.62 is: 13,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.56 : 21,252.03 = 10,010.62 : x
  2. Step 2: Convert to fraction form
    15,397.56/21,252.03 = 10,010.62/x
  3. Step 3: Cross multiply
    15,397.56x = 21,252.03 × 10,010.62
  4. Step 4: Simplify right side
    15,397.56x = 212,746,060.66
  5. Step 5: Solve for x
    x = 212,746,060.66/15,397.56
  6. Step 6: Final answer
    x = 13,816.87

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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.