Home / 13,008.36-17,951.66-7,040.15

Finding the Fourth Proportional to 13,008.36, 17,951.66 and 7,040.15

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Solution

The fourth proportional to 13,008.36, 17,951.66 and 7,040.15 is: 9,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.36 : 17,951.66 = 7,040.15 : x
  2. Step 2: Convert to fraction form
    13,008.36/17,951.66 = 7,040.15/x
  3. Step 3: Cross multiply
    13,008.36x = 17,951.66 × 7,040.15
  4. Step 4: Simplify right side
    13,008.36x = 126,382,347.91
  5. Step 5: Solve for x
    x = 126,382,347.91/13,008.36
  6. Step 6: Final answer
    x = 9,715.47

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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.