Home / 14,416.38-19,895.99-9,039.68

Finding the Fourth Proportional to 14,416.38, 19,895.99 and 9,039.68

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Solution

The fourth proportional to 14,416.38, 19,895.99 and 9,039.68 is: 12,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.38 : 19,895.99 = 9,039.68 : x
  2. Step 2: Convert to fraction form
    14,416.38/19,895.99 = 9,039.68/x
  3. Step 3: Cross multiply
    14,416.38x = 19,895.99 × 9,039.68
  4. Step 4: Simplify right side
    14,416.38x = 179,853,238.20
  5. Step 5: Solve for x
    x = 179,853,238.20/14,416.38
  6. Step 6: Final answer
    x = 12,475.62

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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.