Home / 14,505.16-21,726.14-8,959.90

Finding the Fourth Proportional to 14,505.16, 21,726.14 and 8,959.90

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Solution

The fourth proportional to 14,505.16, 21,726.14 and 8,959.90 is: 13,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.16 : 21,726.14 = 8,959.90 : x
  2. Step 2: Convert to fraction form
    14,505.16/21,726.14 = 8,959.90/x
  3. Step 3: Cross multiply
    14,505.16x = 21,726.14 × 8,959.90
  4. Step 4: Simplify right side
    14,505.16x = 194,664,041.79
  5. Step 5: Solve for x
    x = 194,664,041.79/14,505.16
  6. Step 6: Final answer
    x = 13,420.33

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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.