Home / 16,057.79-22,140.88-12,868.53

Finding the Fourth Proportional to 16,057.79, 22,140.88 and 12,868.53

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Solution

The fourth proportional to 16,057.79, 22,140.88 and 12,868.53 is: 17,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,057.79 : 22,140.88 = 12,868.53 : x
  2. Step 2: Convert to fraction form
    16,057.79/22,140.88 = 12,868.53/x
  3. Step 3: Cross multiply
    16,057.79x = 22,140.88 × 12,868.53
  4. Step 4: Simplify right side
    16,057.79x = 284,920,531.96
  5. Step 5: Solve for x
    x = 284,920,531.96/16,057.79
  6. Step 6: Final answer
    x = 17,743.44

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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.