Home / 14,528.75-21,762.19-10,979.66

Finding the Fourth Proportional to 14,528.75, 21,762.19 and 10,979.66

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Solution

The fourth proportional to 14,528.75, 21,762.19 and 10,979.66 is: 16,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.75 : 21,762.19 = 10,979.66 : x
  2. Step 2: Convert to fraction form
    14,528.75/21,762.19 = 10,979.66/x
  3. Step 3: Cross multiply
    14,528.75x = 21,762.19 × 10,979.66
  4. Step 4: Simplify right side
    14,528.75x = 238,941,310.80
  5. Step 5: Solve for x
    x = 238,941,310.80/14,528.75
  6. Step 6: Final answer
    x = 16,446.11

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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.