Home / 11,535.80-15,919.40-6,230.61

Finding the Fourth Proportional to 11,535.80, 15,919.40 and 6,230.61

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Solution

The fourth proportional to 11,535.80, 15,919.40 and 6,230.61 is: 8,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.80 : 15,919.40 = 6,230.61 : x
  2. Step 2: Convert to fraction form
    11,535.80/15,919.40 = 6,230.61/x
  3. Step 3: Cross multiply
    11,535.80x = 15,919.40 × 6,230.61
  4. Step 4: Simplify right side
    11,535.80x = 99,187,648.11
  5. Step 5: Solve for x
    x = 99,187,648.11/11,535.80
  6. Step 6: Final answer
    x = 8,598.25

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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.