Home / 18,459.02-27,696.63-9,691.89

Finding the Fourth Proportional to 18,459.02, 27,696.63 and 9,691.89

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Solution

The fourth proportional to 18,459.02, 27,696.63 and 9,691.89 is: 14,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.02 : 27,696.63 = 9,691.89 : x
  2. Step 2: Convert to fraction form
    18,459.02/27,696.63 = 9,691.89/x
  3. Step 3: Cross multiply
    18,459.02x = 27,696.63 × 9,691.89
  4. Step 4: Simplify right side
    18,459.02x = 268,432,691.33
  5. Step 5: Solve for x
    x = 268,432,691.33/18,459.02
  6. Step 6: Final answer
    x = 14,542.09

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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.