Home / 18,217.63-27,330.09-6,531.76

Finding the Fourth Proportional to 18,217.63, 27,330.09 and 6,531.76

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Solution

The fourth proportional to 18,217.63, 27,330.09 and 6,531.76 is: 9,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.63 : 27,330.09 = 6,531.76 : x
  2. Step 2: Convert to fraction form
    18,217.63/27,330.09 = 6,531.76/x
  3. Step 3: Cross multiply
    18,217.63x = 27,330.09 × 6,531.76
  4. Step 4: Simplify right side
    18,217.63x = 178,513,588.66
  5. Step 5: Solve for x
    x = 178,513,588.66/18,217.63
  6. Step 6: Final answer
    x = 9,798.95

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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.