Home / 15,642.38-23,461.68-3,955.70

Finding the Fourth Proportional to 15,642.38, 23,461.68 and 3,955.70

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Solution

The fourth proportional to 15,642.38, 23,461.68 and 3,955.70 is: 5,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.38 : 23,461.68 = 3,955.70 : x
  2. Step 2: Convert to fraction form
    15,642.38/23,461.68 = 3,955.70/x
  3. Step 3: Cross multiply
    15,642.38x = 23,461.68 × 3,955.70
  4. Step 4: Simplify right side
    15,642.38x = 92,807,367.58
  5. Step 5: Solve for x
    x = 92,807,367.58/15,642.38
  6. Step 6: Final answer
    x = 5,933.07

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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.