Home / 15,388.79-23,073.57-6,499.53

Finding the Fourth Proportional to 15,388.79, 23,073.57 and 6,499.53

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Solution

The fourth proportional to 15,388.79, 23,073.57 and 6,499.53 is: 9,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.79 : 23,073.57 = 6,499.53 : x
  2. Step 2: Convert to fraction form
    15,388.79/23,073.57 = 6,499.53/x
  3. Step 3: Cross multiply
    15,388.79x = 23,073.57 × 6,499.53
  4. Step 4: Simplify right side
    15,388.79x = 149,967,360.42
  5. Step 5: Solve for x
    x = 149,967,360.42/15,388.79
  6. Step 6: Final answer
    x = 9,745.24

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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.