Home / 12,610.79-17,400.25-7,305.29

Finding the Fourth Proportional to 12,610.79, 17,400.25 and 7,305.29

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Solution

The fourth proportional to 12,610.79, 17,400.25 and 7,305.29 is: 10,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.79 : 17,400.25 = 7,305.29 : x
  2. Step 2: Convert to fraction form
    12,610.79/17,400.25 = 7,305.29/x
  3. Step 3: Cross multiply
    12,610.79x = 17,400.25 × 7,305.29
  4. Step 4: Simplify right side
    12,610.79x = 127,113,872.32
  5. Step 5: Solve for x
    x = 127,113,872.32/12,610.79
  6. Step 6: Final answer
    x = 10,079.77

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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.