Home / 8,816.18-13,225.90-7,187.18

Finding the Fourth Proportional to 8,816.18, 13,225.90 and 7,187.18

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Solution

The fourth proportional to 8,816.18, 13,225.90 and 7,187.18 is: 10,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.18 : 13,225.90 = 7,187.18 : x
  2. Step 2: Convert to fraction form
    8,816.18/13,225.90 = 7,187.18/x
  3. Step 3: Cross multiply
    8,816.18x = 13,225.90 × 7,187.18
  4. Step 4: Simplify right side
    8,816.18x = 95,056,923.96
  5. Step 5: Solve for x
    x = 95,056,923.96/8,816.18
  6. Step 6: Final answer
    x = 10,782.10

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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.