Home / 12,588.29-17,370.47-7,282.11

Finding the Fourth Proportional to 12,588.29, 17,370.47 and 7,282.11

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Solution

The fourth proportional to 12,588.29, 17,370.47 and 7,282.11 is: 10,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.29 : 17,370.47 = 7,282.11 : x
  2. Step 2: Convert to fraction form
    12,588.29/17,370.47 = 7,282.11/x
  3. Step 3: Cross multiply
    12,588.29x = 17,370.47 × 7,282.11
  4. Step 4: Simplify right side
    12,588.29x = 126,493,673.29
  5. Step 5: Solve for x
    x = 126,493,673.29/12,588.29
  6. Step 6: Final answer
    x = 10,048.52

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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.