Home / 12,446.87-18,672.57-4,126.95

Finding the Fourth Proportional to 12,446.87, 18,672.57 and 4,126.95

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Solution

The fourth proportional to 12,446.87, 18,672.57 and 4,126.95 is: 6,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.87 : 18,672.57 = 4,126.95 : x
  2. Step 2: Convert to fraction form
    12,446.87/18,672.57 = 4,126.95/x
  3. Step 3: Cross multiply
    12,446.87x = 18,672.57 × 4,126.95
  4. Step 4: Simplify right side
    12,446.87x = 77,060,762.76
  5. Step 5: Solve for x
    x = 77,060,762.76/12,446.87
  6. Step 6: Final answer
    x = 6,191.18

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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.