Home / 10,897.53-15,040.31-6,649.51

Finding the Fourth Proportional to 10,897.53, 15,040.31 and 6,649.51

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Solution

The fourth proportional to 10,897.53, 15,040.31 and 6,649.51 is: 9,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.53 : 15,040.31 = 6,649.51 : x
  2. Step 2: Convert to fraction form
    10,897.53/15,040.31 = 6,649.51/x
  3. Step 3: Cross multiply
    10,897.53x = 15,040.31 × 6,649.51
  4. Step 4: Simplify right side
    10,897.53x = 100,010,691.75
  5. Step 5: Solve for x
    x = 100,010,691.75/10,897.53
  6. Step 6: Final answer
    x = 9,177.37

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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.