Home / 16,666.31-25,001.51-5,580.95

Finding the Fourth Proportional to 16,666.31, 25,001.51 and 5,580.95

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Solution

The fourth proportional to 16,666.31, 25,001.51 and 5,580.95 is: 8,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.31 : 25,001.51 = 5,580.95 : x
  2. Step 2: Convert to fraction form
    16,666.31/25,001.51 = 5,580.95/x
  3. Step 3: Cross multiply
    16,666.31x = 25,001.51 × 5,580.95
  4. Step 4: Simplify right side
    16,666.31x = 139,532,196.35
  5. Step 5: Solve for x
    x = 139,532,196.35/16,666.31
  6. Step 6: Final answer
    x = 8,372.11

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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.