Home / 18,036.28-24,889.62-10,078.56

Finding the Fourth Proportional to 18,036.28, 24,889.62 and 10,078.56

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Solution

The fourth proportional to 18,036.28, 24,889.62 and 10,078.56 is: 13,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.28 : 24,889.62 = 10,078.56 : x
  2. Step 2: Convert to fraction form
    18,036.28/24,889.62 = 10,078.56/x
  3. Step 3: Cross multiply
    18,036.28x = 24,889.62 × 10,078.56
  4. Step 4: Simplify right side
    18,036.28x = 250,851,528.55
  5. Step 5: Solve for x
    x = 250,851,528.55/18,036.28
  6. Step 6: Final answer
    x = 13,908.16

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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.