Home / 10,079.77-13,911.23-5,603.97

Finding the Fourth Proportional to 10,079.77, 13,911.23 and 5,603.97

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Solution

The fourth proportional to 10,079.77, 13,911.23 and 5,603.97 is: 7,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.77 : 13,911.23 = 5,603.97 : x
  2. Step 2: Convert to fraction form
    10,079.77/13,911.23 = 5,603.97/x
  3. Step 3: Cross multiply
    10,079.77x = 13,911.23 × 5,603.97
  4. Step 4: Simplify right side
    10,079.77x = 77,958,115.58
  5. Step 5: Solve for x
    x = 77,958,115.58/10,079.77
  6. Step 6: Final answer
    x = 7,734.12

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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.