Home / 10,603.40-15,899.10-4,029.80

Finding the Fourth Proportional to 10,603.40, 15,899.10 and 4,029.80

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Solution

The fourth proportional to 10,603.40, 15,899.10 and 4,029.80 is: 6,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.40 : 15,899.10 = 4,029.80 : x
  2. Step 2: Convert to fraction form
    10,603.40/15,899.10 = 4,029.80/x
  3. Step 3: Cross multiply
    10,603.40x = 15,899.10 × 4,029.80
  4. Step 4: Simplify right side
    10,603.40x = 64,070,193.18
  5. Step 5: Solve for x
    x = 64,070,193.18/10,603.40
  6. Step 6: Final answer
    x = 6,042.42

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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.