Home / 18,302.22-27,453.33-12,444.30

Finding the Fourth Proportional to 18,302.22, 27,453.33 and 12,444.30

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Solution

The fourth proportional to 18,302.22, 27,453.33 and 12,444.30 is: 18,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.22 : 27,453.33 = 12,444.30 : x
  2. Step 2: Convert to fraction form
    18,302.22/27,453.33 = 12,444.30/x
  3. Step 3: Cross multiply
    18,302.22x = 27,453.33 × 12,444.30
  4. Step 4: Simplify right side
    18,302.22x = 341,637,474.52
  5. Step 5: Solve for x
    x = 341,637,474.52/18,302.22
  6. Step 6: Final answer
    x = 18,666.45

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Similar ratio
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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.