Home / 15,621.67-23,434.45-5,092.75

Finding the Fourth Proportional to 15,621.67, 23,434.45 and 5,092.75

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Solution

The fourth proportional to 15,621.67, 23,434.45 and 5,092.75 is: 7,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.67 : 23,434.45 = 5,092.75 : x
  2. Step 2: Convert to fraction form
    15,621.67/23,434.45 = 5,092.75/x
  3. Step 3: Cross multiply
    15,621.67x = 23,434.45 × 5,092.75
  4. Step 4: Simplify right side
    15,621.67x = 119,345,679.98
  5. Step 5: Solve for x
    x = 119,345,679.98/15,621.67
  6. Step 6: Final answer
    x = 7,639.75

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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.