Home / 21,252.54-31,877.45-6,461.59

Finding the Fourth Proportional to 21,252.54, 31,877.45 and 6,461.59

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Solution

The fourth proportional to 21,252.54, 31,877.45 and 6,461.59 is: 9,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.54 : 31,877.45 = 6,461.59 : x
  2. Step 2: Convert to fraction form
    21,252.54/31,877.45 = 6,461.59/x
  3. Step 3: Cross multiply
    21,252.54x = 31,877.45 × 6,461.59
  4. Step 4: Simplify right side
    21,252.54x = 205,978,984.15
  5. Step 5: Solve for x
    x = 205,978,984.15/21,252.54
  6. Step 6: Final answer
    x = 9,691.97

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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.