Home / 18,376.72-27,548.28-6,687.36

Finding the Fourth Proportional to 18,376.72, 27,548.28 and 6,687.36

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Solution

The fourth proportional to 18,376.72, 27,548.28 and 6,687.36 is: 10,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.72 : 27,548.28 = 6,687.36 : x
  2. Step 2: Convert to fraction form
    18,376.72/27,548.28 = 6,687.36/x
  3. Step 3: Cross multiply
    18,376.72x = 27,548.28 × 6,687.36
  4. Step 4: Simplify right side
    18,376.72x = 184,225,265.74
  5. Step 5: Solve for x
    x = 184,225,265.74/18,376.72
  6. Step 6: Final answer
    x = 10,024.93

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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.