Home / 10,587.08-15,849.84-9,177.28

Finding the Fourth Proportional to 10,587.08, 15,849.84 and 9,177.28

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Solution

The fourth proportional to 10,587.08, 15,849.84 and 9,177.28 is: 13,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.08 : 15,849.84 = 9,177.28 : x
  2. Step 2: Convert to fraction form
    10,587.08/15,849.84 = 9,177.28/x
  3. Step 3: Cross multiply
    10,587.08x = 15,849.84 × 9,177.28
  4. Step 4: Simplify right side
    10,587.08x = 145,458,419.64
  5. Step 5: Solve for x
    x = 145,458,419.64/10,587.08
  6. Step 6: Final answer
    x = 13,739.24

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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.