Home / 10,808.26-14,918.20-7,040.82

Finding the Fourth Proportional to 10,808.26, 14,918.20 and 7,040.82

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Solution

The fourth proportional to 10,808.26, 14,918.20 and 7,040.82 is: 9,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.26 : 14,918.20 = 7,040.82 : x
  2. Step 2: Convert to fraction form
    10,808.26/14,918.20 = 7,040.82/x
  3. Step 3: Cross multiply
    10,808.26x = 14,918.20 × 7,040.82
  4. Step 4: Simplify right side
    10,808.26x = 105,036,360.92
  5. Step 5: Solve for x
    x = 105,036,360.92/10,808.26
  6. Step 6: Final answer
    x = 9,718.16

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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.