Home / 14,287.92-21,424.32-5,514

Finding the Fourth Proportional to 14,287.92, 21,424.32 and 5,514

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Solution

The fourth proportional to 14,287.92, 21,424.32 and 5,514 is: 8,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.92 : 21,424.32 = 5,514 : x
  2. Step 2: Convert to fraction form
    14,287.92/21,424.32 = 5,514/x
  3. Step 3: Cross multiply
    14,287.92x = 21,424.32 × 5,514
  4. Step 4: Simplify right side
    14,287.92x = 118,133,700.48
  5. Step 5: Solve for x
    x = 118,133,700.48/14,287.92
  6. Step 6: Final answer
    x = 8,268.08

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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.