Home / 15,661.28-23,491.31-5,132.09

Finding the Fourth Proportional to 15,661.28, 23,491.31 and 5,132.09

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Solution

The fourth proportional to 15,661.28, 23,491.31 and 5,132.09 is: 7,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.28 : 23,491.31 = 5,132.09 : x
  2. Step 2: Convert to fraction form
    15,661.28/23,491.31 = 5,132.09/x
  3. Step 3: Cross multiply
    15,661.28x = 23,491.31 × 5,132.09
  4. Step 4: Simplify right side
    15,661.28x = 120,559,517.14
  5. Step 5: Solve for x
    x = 120,559,517.14/15,661.28
  6. Step 6: Final answer
    x = 7,697.94

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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.