Home / 10,895.60-16,378.20-10,125.20

Finding the Fourth Proportional to 10,895.60, 16,378.20 and 10,125.20

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Solution

The fourth proportional to 10,895.60, 16,378.20 and 10,125.20 is: 15,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.60 : 16,378.20 = 10,125.20 : x
  2. Step 2: Convert to fraction form
    10,895.60/16,378.20 = 10,125.20/x
  3. Step 3: Cross multiply
    10,895.60x = 16,378.20 × 10,125.20
  4. Step 4: Simplify right side
    10,895.60x = 165,832,550.64
  5. Step 5: Solve for x
    x = 165,832,550.64/10,895.60
  6. Step 6: Final answer
    x = 15,220.14

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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.