Home / 14,390.64-21,587.16-4,002.39

Finding the Fourth Proportional to 14,390.64, 21,587.16 and 4,002.39

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Solution

The fourth proportional to 14,390.64, 21,587.16 and 4,002.39 is: 6,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.64 : 21,587.16 = 4,002.39 : x
  2. Step 2: Convert to fraction form
    14,390.64/21,587.16 = 4,002.39/x
  3. Step 3: Cross multiply
    14,390.64x = 21,587.16 × 4,002.39
  4. Step 4: Simplify right side
    14,390.64x = 86,400,233.31
  5. Step 5: Solve for x
    x = 86,400,233.31/14,390.64
  6. Step 6: Final answer
    x = 6,003.92

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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.