Home / 11,223.66-15,488.47-6,187.87

Finding the Fourth Proportional to 11,223.66, 15,488.47 and 6,187.87

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Solution

The fourth proportional to 11,223.66, 15,488.47 and 6,187.87 is: 8,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.66 : 15,488.47 = 6,187.87 : x
  2. Step 2: Convert to fraction form
    11,223.66/15,488.47 = 6,187.87/x
  3. Step 3: Cross multiply
    11,223.66x = 15,488.47 × 6,187.87
  4. Step 4: Simplify right side
    11,223.66x = 95,840,587.59
  5. Step 5: Solve for x
    x = 95,840,587.59/11,223.66
  6. Step 6: Final answer
    x = 8,539.15

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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.