Home / 8,173.80-12,260.69-5,250.11

Finding the Fourth Proportional to 8,173.80, 12,260.69 and 5,250.11

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Solution

The fourth proportional to 8,173.80, 12,260.69 and 5,250.11 is: 7,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.80 : 12,260.69 = 5,250.11 : x
  2. Step 2: Convert to fraction form
    8,173.80/12,260.69 = 5,250.11/x
  3. Step 3: Cross multiply
    8,173.80x = 12,260.69 × 5,250.11
  4. Step 4: Simplify right side
    8,173.80x = 64,369,883.62
  5. Step 5: Solve for x
    x = 64,369,883.62/8,173.80
  6. Step 6: Final answer
    x = 7,875.15

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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.