Home / 14,430.55-21,648.10-6,110.61

Finding the Fourth Proportional to 14,430.55, 21,648.10 and 6,110.61

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Solution

The fourth proportional to 14,430.55, 21,648.10 and 6,110.61 is: 9,166.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.55 : 21,648.10 = 6,110.61 : x
  2. Step 2: Convert to fraction form
    14,430.55/21,648.10 = 6,110.61/x
  3. Step 3: Cross multiply
    14,430.55x = 21,648.10 × 6,110.61
  4. Step 4: Simplify right side
    14,430.55x = 132,283,081.06
  5. Step 5: Solve for x
    x = 132,283,081.06/14,430.55
  6. Step 6: Final answer
    x = 9,166.88

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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.