Home / 14,439.24-19,930.32-8,471.16

Finding the Fourth Proportional to 14,439.24, 19,930.32 and 8,471.16

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Solution

The fourth proportional to 14,439.24, 19,930.32 and 8,471.16 is: 11,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.24 : 19,930.32 = 8,471.16 : x
  2. Step 2: Convert to fraction form
    14,439.24/19,930.32 = 8,471.16/x
  3. Step 3: Cross multiply
    14,439.24x = 19,930.32 × 8,471.16
  4. Step 4: Simplify right side
    14,439.24x = 168,832,929.57
  5. Step 5: Solve for x
    x = 168,832,929.57/14,439.24
  6. Step 6: Final answer
    x = 11,692.65

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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.