Home / 15,525.66-21,425.46-8,452.13

Finding the Fourth Proportional to 15,525.66, 21,425.46 and 8,452.13

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Solution

The fourth proportional to 15,525.66, 21,425.46 and 8,452.13 is: 11,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.66 : 21,425.46 = 8,452.13 : x
  2. Step 2: Convert to fraction form
    15,525.66/21,425.46 = 8,452.13/x
  3. Step 3: Cross multiply
    15,525.66x = 21,425.46 × 8,452.13
  4. Step 4: Simplify right side
    15,525.66x = 181,090,666.10
  5. Step 5: Solve for x
    x = 181,090,666.10/15,525.66
  6. Step 6: Final answer
    x = 11,663.96

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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.