Home / 8,132.04-12,135.75-7,257.24

Finding the Fourth Proportional to 8,132.04, 12,135.75 and 7,257.24

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Solution

The fourth proportional to 8,132.04, 12,135.75 and 7,257.24 is: 10,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.04 : 12,135.75 = 7,257.24 : x
  2. Step 2: Convert to fraction form
    8,132.04/12,135.75 = 7,257.24/x
  3. Step 3: Cross multiply
    8,132.04x = 12,135.75 × 7,257.24
  4. Step 4: Simplify right side
    8,132.04x = 88,072,050.33
  5. Step 5: Solve for x
    x = 88,072,050.33/8,132.04
  6. Step 6: Final answer
    x = 10,830.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.