Home / 14,256.60-21,397.98-7,689.24

Finding the Fourth Proportional to 14,256.60, 21,397.98 and 7,689.24

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Solution

The fourth proportional to 14,256.60, 21,397.98 and 7,689.24 is: 11,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.60 : 21,397.98 = 7,689.24 : x
  2. Step 2: Convert to fraction form
    14,256.60/21,397.98 = 7,689.24/x
  3. Step 3: Cross multiply
    14,256.60x = 21,397.98 × 7,689.24
  4. Step 4: Simplify right side
    14,256.60x = 164,534,203.74
  5. Step 5: Solve for x
    x = 164,534,203.74/14,256.60
  6. Step 6: Final answer
    x = 11,540.91

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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.