Home / 21,862.48-32,807.05-8,713.83

Finding the Fourth Proportional to 21,862.48, 32,807.05 and 8,713.83

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Solution

The fourth proportional to 21,862.48, 32,807.05 and 8,713.83 is: 13,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.48 : 32,807.05 = 8,713.83 : x
  2. Step 2: Convert to fraction form
    21,862.48/32,807.05 = 8,713.83/x
  3. Step 3: Cross multiply
    21,862.48x = 32,807.05 × 8,713.83
  4. Step 4: Simplify right side
    21,862.48x = 285,874,997.71
  5. Step 5: Solve for x
    x = 285,874,997.71/21,862.48
  6. Step 6: Final answer
    x = 13,076.05

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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.