Home / 10,010.36-14,988.18-7,239.80

Finding the Fourth Proportional to 10,010.36, 14,988.18 and 7,239.80

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Solution

The fourth proportional to 10,010.36, 14,988.18 and 7,239.80 is: 10,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.36 : 14,988.18 = 7,239.80 : x
  2. Step 2: Convert to fraction form
    10,010.36/14,988.18 = 7,239.80/x
  3. Step 3: Cross multiply
    10,010.36x = 14,988.18 × 7,239.80
  4. Step 4: Simplify right side
    10,010.36x = 108,511,425.56
  5. Step 5: Solve for x
    x = 108,511,425.56/10,010.36
  6. Step 6: Final answer
    x = 10,839.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.