Home / 14,321.10-21,463.99-10,385.92

Finding the Fourth Proportional to 14,321.10, 21,463.99 and 10,385.92

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Solution

The fourth proportional to 14,321.10, 21,463.99 and 10,385.92 is: 15,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.10 : 21,463.99 = 10,385.92 : x
  2. Step 2: Convert to fraction form
    14,321.10/21,463.99 = 10,385.92/x
  3. Step 3: Cross multiply
    14,321.10x = 21,463.99 × 10,385.92
  4. Step 4: Simplify right side
    14,321.10x = 222,923,283.89
  5. Step 5: Solve for x
    x = 222,923,283.89/14,321.10
  6. Step 6: Final answer
    x = 15,566.07

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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.