Home / 8,816.66-12,155.21-7,552.31

Finding the Fourth Proportional to 8,816.66, 12,155.21 and 7,552.31

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Solution

The fourth proportional to 8,816.66, 12,155.21 and 7,552.31 is: 10,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.66 : 12,155.21 = 7,552.31 : x
  2. Step 2: Convert to fraction form
    8,816.66/12,155.21 = 7,552.31/x
  3. Step 3: Cross multiply
    8,816.66x = 12,155.21 × 7,552.31
  4. Step 4: Simplify right side
    8,816.66x = 91,799,886.30
  5. Step 5: Solve for x
    x = 91,799,886.30/8,816.66
  6. Step 6: Final answer
    x = 10,412.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.