Home / 18,257.47-27,374.76-8,384.08

Finding the Fourth Proportional to 18,257.47, 27,374.76 and 8,384.08

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Solution

The fourth proportional to 18,257.47, 27,374.76 and 8,384.08 is: 12,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.47 : 27,374.76 = 8,384.08 : x
  2. Step 2: Convert to fraction form
    18,257.47/27,374.76 = 8,384.08/x
  3. Step 3: Cross multiply
    18,257.47x = 27,374.76 × 8,384.08
  4. Step 4: Simplify right side
    18,257.47x = 229,512,177.82
  5. Step 5: Solve for x
    x = 229,512,177.82/18,257.47
  6. Step 6: Final answer
    x = 12,570.86

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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.