Home / 12,367.40-18,556.28-5,343.78

Finding the Fourth Proportional to 12,367.40, 18,556.28 and 5,343.78

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Solution

The fourth proportional to 12,367.40, 18,556.28 and 5,343.78 is: 8,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.40 : 18,556.28 = 5,343.78 : x
  2. Step 2: Convert to fraction form
    12,367.40/18,556.28 = 5,343.78/x
  3. Step 3: Cross multiply
    12,367.40x = 18,556.28 × 5,343.78
  4. Step 4: Simplify right side
    12,367.40x = 99,160,740.84
  5. Step 5: Solve for x
    x = 99,160,740.84/12,367.40
  6. Step 6: Final answer
    x = 8,017.92

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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.