Home / 15,229.80-22,837.68-6,460.20

Finding the Fourth Proportional to 15,229.80, 22,837.68 and 6,460.20

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Solution

The fourth proportional to 15,229.80, 22,837.68 and 6,460.20 is: 9,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.80 : 22,837.68 = 6,460.20 : x
  2. Step 2: Convert to fraction form
    15,229.80/22,837.68 = 6,460.20/x
  3. Step 3: Cross multiply
    15,229.80x = 22,837.68 × 6,460.20
  4. Step 4: Simplify right side
    15,229.80x = 147,535,980.34
  5. Step 5: Solve for x
    x = 147,535,980.34/15,229.80
  6. Step 6: Final answer
    x = 9,687.32

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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.