Home / 14,309.38-21,456.77-5,987.14

Finding the Fourth Proportional to 14,309.38, 21,456.77 and 5,987.14

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Solution

The fourth proportional to 14,309.38, 21,456.77 and 5,987.14 is: 8,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.38 : 21,456.77 = 5,987.14 : x
  2. Step 2: Convert to fraction form
    14,309.38/21,456.77 = 5,987.14/x
  3. Step 3: Cross multiply
    14,309.38x = 21,456.77 × 5,987.14
  4. Step 4: Simplify right side
    14,309.38x = 128,464,685.94
  5. Step 5: Solve for x
    x = 128,464,685.94/14,309.38
  6. Step 6: Final answer
    x = 8,977.66

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1.5x scale

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.