Home / 10,385.79-15,580.92-3,366.50

Finding the Fourth Proportional to 10,385.79, 15,580.92 and 3,366.50

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Solution

The fourth proportional to 10,385.79, 15,580.92 and 3,366.50 is: 5,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.79 : 15,580.92 = 3,366.50 : x
  2. Step 2: Convert to fraction form
    10,385.79/15,580.92 = 3,366.50/x
  3. Step 3: Cross multiply
    10,385.79x = 15,580.92 × 3,366.50
  4. Step 4: Simplify right side
    10,385.79x = 52,453,101.90
  5. Step 5: Solve for x
    x = 52,453,101.90/10,385.79
  6. Step 6: Final answer
    x = 5,050.47

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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.