Home / 10,077.42-13,899.14-8,944.28

Finding the Fourth Proportional to 10,077.42, 13,899.14 and 8,944.28

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Solution

The fourth proportional to 10,077.42, 13,899.14 and 8,944.28 is: 12,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.42 : 13,899.14 = 8,944.28 : x
  2. Step 2: Convert to fraction form
    10,077.42/13,899.14 = 8,944.28/x
  3. Step 3: Cross multiply
    10,077.42x = 13,899.14 × 8,944.28
  4. Step 4: Simplify right side
    10,077.42x = 124,317,799.92
  5. Step 5: Solve for x
    x = 124,317,799.92/10,077.42
  6. Step 6: Final answer
    x = 12,336.27

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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.