Home / 14,582.30-20,112.92-9,538.43

Finding the Fourth Proportional to 14,582.30, 20,112.92 and 9,538.43

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Solution

The fourth proportional to 14,582.30, 20,112.92 and 9,538.43 is: 13,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.30 : 20,112.92 = 9,538.43 : x
  2. Step 2: Convert to fraction form
    14,582.30/20,112.92 = 9,538.43/x
  3. Step 3: Cross multiply
    14,582.30x = 20,112.92 × 9,538.43
  4. Step 4: Simplify right side
    14,582.30x = 191,845,679.52
  5. Step 5: Solve for x
    x = 191,845,679.52/14,582.30
  6. Step 6: Final answer
    x = 13,156.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.