Home / 18,202.87-25,113.10-10,646.79

Finding the Fourth Proportional to 18,202.87, 25,113.10 and 10,646.79

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Solution

The fourth proportional to 18,202.87, 25,113.10 and 10,646.79 is: 14,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.87 : 25,113.10 = 10,646.79 : x
  2. Step 2: Convert to fraction form
    18,202.87/25,113.10 = 10,646.79/x
  3. Step 3: Cross multiply
    18,202.87x = 25,113.10 × 10,646.79
  4. Step 4: Simplify right side
    18,202.87x = 267,373,901.95
  5. Step 5: Solve for x
    x = 267,373,901.95/18,202.87
  6. Step 6: Final answer
    x = 14,688.56

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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.