Home / 14,577.24-20,119.16-8,288.40

Finding the Fourth Proportional to 14,577.24, 20,119.16 and 8,288.40

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Solution

The fourth proportional to 14,577.24, 20,119.16 and 8,288.40 is: 11,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.24 : 20,119.16 = 8,288.40 : x
  2. Step 2: Convert to fraction form
    14,577.24/20,119.16 = 8,288.40/x
  3. Step 3: Cross multiply
    14,577.24x = 20,119.16 × 8,288.40
  4. Step 4: Simplify right side
    14,577.24x = 166,755,645.74
  5. Step 5: Solve for x
    x = 166,755,645.74/14,577.24
  6. Step 6: Final answer
    x = 11,439.45

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Double scale
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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.