Home / 21,548.78-32,309.85-9,062.38

Finding the Fourth Proportional to 21,548.78, 32,309.85 and 9,062.38

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Solution

The fourth proportional to 21,548.78, 32,309.85 and 9,062.38 is: 13,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.78 : 32,309.85 = 9,062.38 : x
  2. Step 2: Convert to fraction form
    21,548.78/32,309.85 = 9,062.38/x
  3. Step 3: Cross multiply
    21,548.78x = 32,309.85 × 9,062.38
  4. Step 4: Simplify right side
    21,548.78x = 292,804,174.58
  5. Step 5: Solve for x
    x = 292,804,174.58/21,548.78
  6. Step 6: Final answer
    x = 13,587.97

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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.