Home / 11,432.12-17,140.28-3,933.68

Finding the Fourth Proportional to 11,432.12, 17,140.28 and 3,933.68

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Solution

The fourth proportional to 11,432.12, 17,140.28 and 3,933.68 is: 5,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.12 : 17,140.28 = 3,933.68 : x
  2. Step 2: Convert to fraction form
    11,432.12/17,140.28 = 3,933.68/x
  3. Step 3: Cross multiply
    11,432.12x = 17,140.28 × 3,933.68
  4. Step 4: Simplify right side
    11,432.12x = 67,424,271.26
  5. Step 5: Solve for x
    x = 67,424,271.26/11,432.12
  6. Step 6: Final answer
    x = 5,897.80

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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.