Home / 18,662.08-25,753.60-10,278.64

Finding the Fourth Proportional to 18,662.08, 25,753.60 and 10,278.64

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Solution

The fourth proportional to 18,662.08, 25,753.60 and 10,278.64 is: 14,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.08 : 25,753.60 = 10,278.64 : x
  2. Step 2: Convert to fraction form
    18,662.08/25,753.60 = 10,278.64/x
  3. Step 3: Cross multiply
    18,662.08x = 25,753.60 × 10,278.64
  4. Step 4: Simplify right side
    18,662.08x = 264,711,983.10
  5. Step 5: Solve for x
    x = 264,711,983.10/18,662.08
  6. Step 6: Final answer
    x = 14,184.48

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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.