Home / 12,350.22-17,045.96-7,872.95

Finding the Fourth Proportional to 12,350.22, 17,045.96 and 7,872.95

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Solution

The fourth proportional to 12,350.22, 17,045.96 and 7,872.95 is: 10,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.22 : 17,045.96 = 7,872.95 : x
  2. Step 2: Convert to fraction form
    12,350.22/17,045.96 = 7,872.95/x
  3. Step 3: Cross multiply
    12,350.22x = 17,045.96 × 7,872.95
  4. Step 4: Simplify right side
    12,350.22x = 134,201,866.19
  5. Step 5: Solve for x
    x = 134,201,866.19/12,350.22
  6. Step 6: Final answer
    x = 10,866.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.