Home / 16,045.53-22,143.85-8,971.95

Finding the Fourth Proportional to 16,045.53, 22,143.85 and 8,971.95

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Solution

The fourth proportional to 16,045.53, 22,143.85 and 8,971.95 is: 12,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,045.53 : 22,143.85 = 8,971.95 : x
  2. Step 2: Convert to fraction form
    16,045.53/22,143.85 = 8,971.95/x
  3. Step 3: Cross multiply
    16,045.53x = 22,143.85 × 8,971.95
  4. Step 4: Simplify right side
    16,045.53x = 198,673,537.44
  5. Step 5: Solve for x
    x = 198,673,537.44/16,045.53
  6. Step 6: Final answer
    x = 12,381.86

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1.5x scale

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.