Home / 10,882.19-15,018.34-6,102.06

Finding the Fourth Proportional to 10,882.19, 15,018.34 and 6,102.06

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Solution

The fourth proportional to 10,882.19, 15,018.34 and 6,102.06 is: 8,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.19 : 15,018.34 = 6,102.06 : x
  2. Step 2: Convert to fraction form
    10,882.19/15,018.34 = 6,102.06/x
  3. Step 3: Cross multiply
    10,882.19x = 15,018.34 × 6,102.06
  4. Step 4: Simplify right side
    10,882.19x = 91,642,836.13
  5. Step 5: Solve for x
    x = 91,642,836.13/10,882.19
  6. Step 6: Final answer
    x = 8,421.36

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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.