Home / 10,210.41-15,301.23-8,121.15

Finding the Fourth Proportional to 10,210.41, 15,301.23 and 8,121.15

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Solution

The fourth proportional to 10,210.41, 15,301.23 and 8,121.15 is: 12,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.41 : 15,301.23 = 8,121.15 : x
  2. Step 2: Convert to fraction form
    10,210.41/15,301.23 = 8,121.15/x
  3. Step 3: Cross multiply
    10,210.41x = 15,301.23 × 8,121.15
  4. Step 4: Simplify right side
    10,210.41x = 124,263,584.01
  5. Step 5: Solve for x
    x = 124,263,584.01/10,210.41
  6. Step 6: Final answer
    x = 12,170.28

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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.