Home / 11,344.32-15,655.50-6,868.89

Finding the Fourth Proportional to 11,344.32, 15,655.50 and 6,868.89

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Solution

The fourth proportional to 11,344.32, 15,655.50 and 6,868.89 is: 9,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.32 : 15,655.50 = 6,868.89 : x
  2. Step 2: Convert to fraction form
    11,344.32/15,655.50 = 6,868.89/x
  3. Step 3: Cross multiply
    11,344.32x = 15,655.50 × 6,868.89
  4. Step 4: Simplify right side
    11,344.32x = 107,535,907.40
  5. Step 5: Solve for x
    x = 107,535,907.40/11,344.32
  6. Step 6: Final answer
    x = 9,479.27

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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.