Home / 18,424.48-27,635.76-4,572.64

Finding the Fourth Proportional to 18,424.48, 27,635.76 and 4,572.64

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Solution

The fourth proportional to 18,424.48, 27,635.76 and 4,572.64 is: 6,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.48 : 27,635.76 = 4,572.64 : x
  2. Step 2: Convert to fraction form
    18,424.48/27,635.76 = 4,572.64/x
  3. Step 3: Cross multiply
    18,424.48x = 27,635.76 × 4,572.64
  4. Step 4: Simplify right side
    18,424.48x = 126,368,381.61
  5. Step 5: Solve for x
    x = 126,368,381.61/18,424.48
  6. Step 6: Final answer
    x = 6,858.72

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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.