Home / 14,743.66-22,115.46-12,141.12

Finding the Fourth Proportional to 14,743.66, 22,115.46 and 12,141.12

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Solution

The fourth proportional to 14,743.66, 22,115.46 and 12,141.12 is: 18,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.66 : 22,115.46 = 12,141.12 : x
  2. Step 2: Convert to fraction form
    14,743.66/22,115.46 = 12,141.12/x
  3. Step 3: Cross multiply
    14,743.66x = 22,115.46 × 12,141.12
  4. Step 4: Simplify right side
    14,743.66x = 268,506,453.72
  5. Step 5: Solve for x
    x = 268,506,453.72/14,743.66
  6. Step 6: Final answer
    x = 18,211.66

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1.5x scale

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.