Home / 14,446-21,632.28-13,114.72

Finding the Fourth Proportional to 14,446, 21,632.28 and 13,114.72

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Solution

The fourth proportional to 14,446, 21,632.28 and 13,114.72 is: 19,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446 : 21,632.28 = 13,114.72 : x
  2. Step 2: Convert to fraction form
    14,446/21,632.28 = 13,114.72/x
  3. Step 3: Cross multiply
    14,446x = 21,632.28 × 13,114.72
  4. Step 4: Simplify right side
    14,446x = 283,701,295.16
  5. Step 5: Solve for x
    x = 283,701,295.16/14,446
  6. Step 6: Final answer
    x = 19,638.74

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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.