Home / 10,882.19-14,919.62-10,685.36

Finding the Fourth Proportional to 10,882.19, 14,919.62 and 10,685.36

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Solution

The fourth proportional to 10,882.19, 14,919.62 and 10,685.36 is: 14,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.19 : 14,919.62 = 10,685.36 : x
  2. Step 2: Convert to fraction form
    10,882.19/14,919.62 = 10,685.36/x
  3. Step 3: Cross multiply
    10,882.19x = 14,919.62 × 10,685.36
  4. Step 4: Simplify right side
    10,882.19x = 159,421,510.76
  5. Step 5: Solve for x
    x = 159,421,510.76/10,882.19
  6. Step 6: Final answer
    x = 14,649.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.