Home / 21,099.01-31,613.45-14,845.90

Finding the Fourth Proportional to 21,099.01, 31,613.45 and 14,845.90

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Solution

The fourth proportional to 21,099.01, 31,613.45 and 14,845.90 is: 22,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099.01 : 31,613.45 = 14,845.90 : x
  2. Step 2: Convert to fraction form
    21,099.01/31,613.45 = 14,845.90/x
  3. Step 3: Cross multiply
    21,099.01x = 31,613.45 × 14,845.90
  4. Step 4: Simplify right side
    21,099.01x = 469,330,117.36
  5. Step 5: Solve for x
    x = 469,330,117.36/21,099.01
  6. Step 6: Final answer
    x = 22,244.18

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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.