Home / 10,033.20-15,039.36-4,482.72

Finding the Fourth Proportional to 10,033.20, 15,039.36 and 4,482.72

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Solution

The fourth proportional to 10,033.20, 15,039.36 and 4,482.72 is: 6,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,033.20 : 15,039.36 = 4,482.72 : x
  2. Step 2: Convert to fraction form
    10,033.20/15,039.36 = 4,482.72/x
  3. Step 3: Cross multiply
    10,033.20x = 15,039.36 × 4,482.72
  4. Step 4: Simplify right side
    10,033.20x = 67,417,239.86
  5. Step 5: Solve for x
    x = 67,417,239.86/10,033.20
  6. Step 6: Final answer
    x = 6,719.42

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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.