Home / 18,245.04-25,140.96-12,581.52

Finding the Fourth Proportional to 18,245.04, 25,140.96 and 12,581.52

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Solution

The fourth proportional to 18,245.04, 25,140.96 and 12,581.52 is: 17,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.04 : 25,140.96 = 12,581.52 : x
  2. Step 2: Convert to fraction form
    18,245.04/25,140.96 = 12,581.52/x
  3. Step 3: Cross multiply
    18,245.04x = 25,140.96 × 12,581.52
  4. Step 4: Simplify right side
    18,245.04x = 316,311,491.06
  5. Step 5: Solve for x
    x = 316,311,491.06/18,245.04
  6. Step 6: Final answer
    x = 17,336.85

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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.