Home / 10,889.97-15,010.70-7,347.03

Finding the Fourth Proportional to 10,889.97, 15,010.70 and 7,347.03

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Solution

The fourth proportional to 10,889.97, 15,010.70 and 7,347.03 is: 10,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.97 : 15,010.70 = 7,347.03 : x
  2. Step 2: Convert to fraction form
    10,889.97/15,010.70 = 7,347.03/x
  3. Step 3: Cross multiply
    10,889.97x = 15,010.70 × 7,347.03
  4. Step 4: Simplify right side
    10,889.97x = 110,284,026.49
  5. Step 5: Solve for x
    x = 110,284,026.49/10,889.97
  6. Step 6: Final answer
    x = 10,127.12

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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.