Home / 15,515.56-23,276.94-5,126.68

Finding the Fourth Proportional to 15,515.56, 23,276.94 and 5,126.68

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Solution

The fourth proportional to 15,515.56, 23,276.94 and 5,126.68 is: 7,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.56 : 23,276.94 = 5,126.68 : x
  2. Step 2: Convert to fraction form
    15,515.56/23,276.94 = 5,126.68/x
  3. Step 3: Cross multiply
    15,515.56x = 23,276.94 × 5,126.68
  4. Step 4: Simplify right side
    15,515.56x = 119,333,422.76
  5. Step 5: Solve for x
    x = 119,333,422.76/15,515.56
  6. Step 6: Final answer
    x = 7,691.21

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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.