Home / 18,607.32-27,923.40-6,921.72

Finding the Fourth Proportional to 18,607.32, 27,923.40 and 6,921.72

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Solution

The fourth proportional to 18,607.32, 27,923.40 and 6,921.72 is: 10,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.32 : 27,923.40 = 6,921.72 : x
  2. Step 2: Convert to fraction form
    18,607.32/27,923.40 = 6,921.72/x
  3. Step 3: Cross multiply
    18,607.32x = 27,923.40 × 6,921.72
  4. Step 4: Simplify right side
    18,607.32x = 193,277,956.25
  5. Step 5: Solve for x
    x = 193,277,956.25/18,607.32
  6. Step 6: Final answer
    x = 10,387.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.