Home / 12,691.12-19,037.94-4,370.04

Finding the Fourth Proportional to 12,691.12, 19,037.94 and 4,370.04

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Solution

The fourth proportional to 12,691.12, 19,037.94 and 4,370.04 is: 6,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.12 : 19,037.94 = 4,370.04 : x
  2. Step 2: Convert to fraction form
    12,691.12/19,037.94 = 4,370.04/x
  3. Step 3: Cross multiply
    12,691.12x = 19,037.94 × 4,370.04
  4. Step 4: Simplify right side
    12,691.12x = 83,196,559.32
  5. Step 5: Solve for x
    x = 83,196,559.32/12,691.12
  6. Step 6: Final answer
    x = 6,555.49

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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.