Home / 10,127.10-15,191.10-3,106.60

Finding the Fourth Proportional to 10,127.10, 15,191.10 and 3,106.60

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Solution

The fourth proportional to 10,127.10, 15,191.10 and 3,106.60 is: 4,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.10 : 15,191.10 = 3,106.60 : x
  2. Step 2: Convert to fraction form
    10,127.10/15,191.10 = 3,106.60/x
  3. Step 3: Cross multiply
    10,127.10x = 15,191.10 × 3,106.60
  4. Step 4: Simplify right side
    10,127.10x = 47,192,671.26
  5. Step 5: Solve for x
    x = 47,192,671.26/10,127.10
  6. Step 6: Final answer
    x = 4,660.04

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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.