Home / 18,020.14-24,865.18-10,945.20

Finding the Fourth Proportional to 18,020.14, 24,865.18 and 10,945.20

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Solution

The fourth proportional to 18,020.14, 24,865.18 and 10,945.20 is: 15,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.14 : 24,865.18 = 10,945.20 : x
  2. Step 2: Convert to fraction form
    18,020.14/24,865.18 = 10,945.20/x
  3. Step 3: Cross multiply
    18,020.14x = 24,865.18 × 10,945.20
  4. Step 4: Simplify right side
    18,020.14x = 272,154,368.14
  5. Step 5: Solve for x
    x = 272,154,368.14/18,020.14
  6. Step 6: Final answer
    x = 15,102.79

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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.