Home / 14,871.75-20,522.06-8,155.95

Finding the Fourth Proportional to 14,871.75, 20,522.06 and 8,155.95

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Solution

The fourth proportional to 14,871.75, 20,522.06 and 8,155.95 is: 11,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.75 : 20,522.06 = 8,155.95 : x
  2. Step 2: Convert to fraction form
    14,871.75/20,522.06 = 8,155.95/x
  3. Step 3: Cross multiply
    14,871.75x = 20,522.06 × 8,155.95
  4. Step 4: Simplify right side
    14,871.75x = 167,376,854.48
  5. Step 5: Solve for x
    x = 167,376,854.48/14,871.75
  6. Step 6: Final answer
    x = 11,254.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.