Home / 21,463.77-32,186.75-8,308.56

Finding the Fourth Proportional to 21,463.77, 32,186.75 and 8,308.56

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Solution

The fourth proportional to 21,463.77, 32,186.75 and 8,308.56 is: 12,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.77 : 32,186.75 = 8,308.56 : x
  2. Step 2: Convert to fraction form
    21,463.77/32,186.75 = 8,308.56/x
  3. Step 3: Cross multiply
    21,463.77x = 32,186.75 × 8,308.56
  4. Step 4: Simplify right side
    21,463.77x = 267,425,543.58
  5. Step 5: Solve for x
    x = 267,425,543.58/21,463.77
  6. Step 6: Final answer
    x = 12,459.39

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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.