Home / 10,210.92-15,316.36-3,191.53

Finding the Fourth Proportional to 10,210.92, 15,316.36 and 3,191.53

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Solution

The fourth proportional to 10,210.92, 15,316.36 and 3,191.53 is: 4,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.92 : 15,316.36 = 3,191.53 : x
  2. Step 2: Convert to fraction form
    10,210.92/15,316.36 = 3,191.53/x
  3. Step 3: Cross multiply
    10,210.92x = 15,316.36 × 3,191.53
  4. Step 4: Simplify right side
    10,210.92x = 48,882,622.43
  5. Step 5: Solve for x
    x = 48,882,622.43/10,210.92
  6. Step 6: Final answer
    x = 4,787.29

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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.