Home / 18,228.20-25,154.90-9,844.70

Finding the Fourth Proportional to 18,228.20, 25,154.90 and 9,844.70

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Solution

The fourth proportional to 18,228.20, 25,154.90 and 9,844.70 is: 13,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.20 : 25,154.90 = 9,844.70 : x
  2. Step 2: Convert to fraction form
    18,228.20/25,154.90 = 9,844.70/x
  3. Step 3: Cross multiply
    18,228.20x = 25,154.90 × 9,844.70
  4. Step 4: Simplify right side
    18,228.20x = 247,642,269.03
  5. Step 5: Solve for x
    x = 247,642,269.03/18,228.20
  6. Step 6: Final answer
    x = 13,585.67

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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.