Home / 14,279.10-21,407.12-5,965.50

Finding the Fourth Proportional to 14,279.10, 21,407.12 and 5,965.50

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Solution

The fourth proportional to 14,279.10, 21,407.12 and 5,965.50 is: 8,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.10 : 21,407.12 = 5,965.50 : x
  2. Step 2: Convert to fraction form
    14,279.10/21,407.12 = 5,965.50/x
  3. Step 3: Cross multiply
    14,279.10x = 21,407.12 × 5,965.50
  4. Step 4: Simplify right side
    14,279.10x = 127,704,174.36
  5. Step 5: Solve for x
    x = 127,704,174.36/14,279.10
  6. Step 6: Final answer
    x = 8,943.43

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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.