Home / 18,057.12-24,921-10,984.56

Finding the Fourth Proportional to 18,057.12, 24,921 and 10,984.56

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Solution

The fourth proportional to 18,057.12, 24,921 and 10,984.56 is: 15,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.12 : 24,921 = 10,984.56 : x
  2. Step 2: Convert to fraction form
    18,057.12/24,921 = 10,984.56/x
  3. Step 3: Cross multiply
    18,057.12x = 24,921 × 10,984.56
  4. Step 4: Simplify right side
    18,057.12x = 273,746,219.76
  5. Step 5: Solve for x
    x = 273,746,219.76/18,057.12
  6. Step 6: Final answer
    x = 15,160.02

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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.