Home / 10,947.06-15,098.13-9,910.26

Finding the Fourth Proportional to 10,947.06, 15,098.13 and 9,910.26

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Solution

The fourth proportional to 10,947.06, 15,098.13 and 9,910.26 is: 13,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.06 : 15,098.13 = 9,910.26 : x
  2. Step 2: Convert to fraction form
    10,947.06/15,098.13 = 9,910.26/x
  3. Step 3: Cross multiply
    10,947.06x = 15,098.13 × 9,910.26
  4. Step 4: Simplify right side
    10,947.06x = 149,626,393.81
  5. Step 5: Solve for x
    x = 149,626,393.81/10,947.06
  6. Step 6: Final answer
    x = 13,668.18

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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.