Home / 15,771.40-23,631.90-8,366.20

Finding the Fourth Proportional to 15,771.40, 23,631.90 and 8,366.20

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Solution

The fourth proportional to 15,771.40, 23,631.90 and 8,366.20 is: 12,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.40 : 23,631.90 = 8,366.20 : x
  2. Step 2: Convert to fraction form
    15,771.40/23,631.90 = 8,366.20/x
  3. Step 3: Cross multiply
    15,771.40x = 23,631.90 × 8,366.20
  4. Step 4: Simplify right side
    15,771.40x = 197,709,201.78
  5. Step 5: Solve for x
    x = 197,709,201.78/15,771.40
  6. Step 6: Final answer
    x = 12,535.93

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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.