Home / 15,877.56-21,937.41-12,545.94

Finding the Fourth Proportional to 15,877.56, 21,937.41 and 12,545.94

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Solution

The fourth proportional to 15,877.56, 21,937.41 and 12,545.94 is: 17,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.56 : 21,937.41 = 12,545.94 : x
  2. Step 2: Convert to fraction form
    15,877.56/21,937.41 = 12,545.94/x
  3. Step 3: Cross multiply
    15,877.56x = 21,937.41 × 12,545.94
  4. Step 4: Simplify right side
    15,877.56x = 275,225,429.62
  5. Step 5: Solve for x
    x = 275,225,429.62/15,877.56
  6. Step 6: Final answer
    x = 17,334.24

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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.