Home / 10,678.44-16,013.36-4,434.20

Finding the Fourth Proportional to 10,678.44, 16,013.36 and 4,434.20

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Solution

The fourth proportional to 10,678.44, 16,013.36 and 4,434.20 is: 6,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.44 : 16,013.36 = 4,434.20 : x
  2. Step 2: Convert to fraction form
    10,678.44/16,013.36 = 4,434.20/x
  3. Step 3: Cross multiply
    10,678.44x = 16,013.36 × 4,434.20
  4. Step 4: Simplify right side
    10,678.44x = 71,006,440.91
  5. Step 5: Solve for x
    x = 71,006,440.91/10,678.44
  6. Step 6: Final answer
    x = 6,649.51

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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.