Home / 10,121.67-15,152.40-6,161.04

Finding the Fourth Proportional to 10,121.67, 15,152.40 and 6,161.04

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Solution

The fourth proportional to 10,121.67, 15,152.40 and 6,161.04 is: 9,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.67 : 15,152.40 = 6,161.04 : x
  2. Step 2: Convert to fraction form
    10,121.67/15,152.40 = 6,161.04/x
  3. Step 3: Cross multiply
    10,121.67x = 15,152.40 × 6,161.04
  4. Step 4: Simplify right side
    10,121.67x = 93,354,542.50
  5. Step 5: Solve for x
    x = 93,354,542.50/10,121.67
  6. Step 6: Final answer
    x = 9,223.24

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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.