Home / 15,642.20-23,463.38-3,955.43

Finding the Fourth Proportional to 15,642.20, 23,463.38 and 3,955.43

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Solution

The fourth proportional to 15,642.20, 23,463.38 and 3,955.43 is: 5,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.20 : 23,463.38 = 3,955.43 : x
  2. Step 2: Convert to fraction form
    15,642.20/23,463.38 = 3,955.43/x
  3. Step 3: Cross multiply
    15,642.20x = 23,463.38 × 3,955.43
  4. Step 4: Simplify right side
    15,642.20x = 92,807,825.70
  5. Step 5: Solve for x
    x = 92,807,825.70/15,642.20
  6. Step 6: Final answer
    x = 5,933.17

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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.