Home / 14,279.20-21,443.10-10,585.60

Finding the Fourth Proportional to 14,279.20, 21,443.10 and 10,585.60

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Solution

The fourth proportional to 14,279.20, 21,443.10 and 10,585.60 is: 15,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.20 : 21,443.10 = 10,585.60 : x
  2. Step 2: Convert to fraction form
    14,279.20/21,443.10 = 10,585.60/x
  3. Step 3: Cross multiply
    14,279.20x = 21,443.10 × 10,585.60
  4. Step 4: Simplify right side
    14,279.20x = 226,988,079.36
  5. Step 5: Solve for x
    x = 226,988,079.36/14,279.20
  6. Step 6: Final answer
    x = 15,896.41

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1.5x scale

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.