Home / 15,121.06-22,681.23-10,660.30

Finding the Fourth Proportional to 15,121.06, 22,681.23 and 10,660.30

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Solution

The fourth proportional to 15,121.06, 22,681.23 and 10,660.30 is: 15,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.06 : 22,681.23 = 10,660.30 : x
  2. Step 2: Convert to fraction form
    15,121.06/22,681.23 = 10,660.30/x
  3. Step 3: Cross multiply
    15,121.06x = 22,681.23 × 10,660.30
  4. Step 4: Simplify right side
    15,121.06x = 241,788,716.17
  5. Step 5: Solve for x
    x = 241,788,716.17/15,121.06
  6. Step 6: Final answer
    x = 15,990.20

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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.