Home / 18,732.41-28,099.70-7,045.73

Finding the Fourth Proportional to 18,732.41, 28,099.70 and 7,045.73

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Solution

The fourth proportional to 18,732.41, 28,099.70 and 7,045.73 is: 10,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.41 : 28,099.70 = 7,045.73 : x
  2. Step 2: Convert to fraction form
    18,732.41/28,099.70 = 7,045.73/x
  3. Step 3: Cross multiply
    18,732.41x = 28,099.70 × 7,045.73
  4. Step 4: Simplify right side
    18,732.41x = 197,982,899.28
  5. Step 5: Solve for x
    x = 197,982,899.28/18,732.41
  6. Step 6: Final answer
    x = 10,569.00

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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.