Home / 15,577.70-23,330.10-9,672.80

Finding the Fourth Proportional to 15,577.70, 23,330.10 and 9,672.80

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Solution

The fourth proportional to 15,577.70, 23,330.10 and 9,672.80 is: 14,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.70 : 23,330.10 = 9,672.80 : x
  2. Step 2: Convert to fraction form
    15,577.70/23,330.10 = 9,672.80/x
  3. Step 3: Cross multiply
    15,577.70x = 23,330.10 × 9,672.80
  4. Step 4: Simplify right side
    15,577.70x = 225,667,391.28
  5. Step 5: Solve for x
    x = 225,667,391.28/15,577.70
  6. Step 6: Final answer
    x = 14,486.57

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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.