Home / 12,549.67-18,826.14-3,785.47

Finding the Fourth Proportional to 12,549.67, 18,826.14 and 3,785.47

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Solution

The fourth proportional to 12,549.67, 18,826.14 and 3,785.47 is: 5,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.67 : 18,826.14 = 3,785.47 : x
  2. Step 2: Convert to fraction form
    12,549.67/18,826.14 = 3,785.47/x
  3. Step 3: Cross multiply
    12,549.67x = 18,826.14 × 3,785.47
  4. Step 4: Simplify right side
    12,549.67x = 71,265,788.19
  5. Step 5: Solve for x
    x = 71,265,788.19/12,549.67
  6. Step 6: Final answer
    x = 5,678.70

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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.