Home / 14,956.11-20,639.17-8,150.19

Finding the Fourth Proportional to 14,956.11, 20,639.17 and 8,150.19

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Solution

The fourth proportional to 14,956.11, 20,639.17 and 8,150.19 is: 11,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.11 : 20,639.17 = 8,150.19 : x
  2. Step 2: Convert to fraction form
    14,956.11/20,639.17 = 8,150.19/x
  3. Step 3: Cross multiply
    14,956.11x = 20,639.17 × 8,150.19
  4. Step 4: Simplify right side
    14,956.11x = 168,213,139.28
  5. Step 5: Solve for x
    x = 168,213,139.28/14,956.11
  6. Step 6: Final answer
    x = 11,247.12

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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.