Home / 12,473.40-17,212.32-7,167.10

Finding the Fourth Proportional to 12,473.40, 17,212.32 and 7,167.10

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Solution

The fourth proportional to 12,473.40, 17,212.32 and 7,167.10 is: 9,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.40 : 17,212.32 = 7,167.10 : x
  2. Step 2: Convert to fraction form
    12,473.40/17,212.32 = 7,167.10/x
  3. Step 3: Cross multiply
    12,473.40x = 17,212.32 × 7,167.10
  4. Step 4: Simplify right side
    12,473.40x = 123,362,418.67
  5. Step 5: Solve for x
    x = 123,362,418.67/12,473.40
  6. Step 6: Final answer
    x = 9,890.04

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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.