Home / 15,399.81-23,086.35-7,491.30

Finding the Fourth Proportional to 15,399.81, 23,086.35 and 7,491.30

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Solution

The fourth proportional to 15,399.81, 23,086.35 and 7,491.30 is: 11,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.81 : 23,086.35 = 7,491.30 : x
  2. Step 2: Convert to fraction form
    15,399.81/23,086.35 = 7,491.30/x
  3. Step 3: Cross multiply
    15,399.81x = 23,086.35 × 7,491.30
  4. Step 4: Simplify right side
    15,399.81x = 172,946,773.76
  5. Step 5: Solve for x
    x = 172,946,773.76/15,399.81
  6. Step 6: Final answer
    x = 11,230.45

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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.