Home / 15,549.03-23,330.43-8,151.72

Finding the Fourth Proportional to 15,549.03, 23,330.43 and 8,151.72

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Solution

The fourth proportional to 15,549.03, 23,330.43 and 8,151.72 is: 12,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.03 : 23,330.43 = 8,151.72 : x
  2. Step 2: Convert to fraction form
    15,549.03/23,330.43 = 8,151.72/x
  3. Step 3: Cross multiply
    15,549.03x = 23,330.43 × 8,151.72
  4. Step 4: Simplify right side
    15,549.03x = 190,183,132.84
  5. Step 5: Solve for x
    x = 190,183,132.84/15,549.03
  6. Step 6: Final answer
    x = 12,231.19

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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.