Home / 10,088.60-13,922.44-5,612.42

Finding the Fourth Proportional to 10,088.60, 13,922.44 and 5,612.42

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Solution

The fourth proportional to 10,088.60, 13,922.44 and 5,612.42 is: 7,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.60 : 13,922.44 = 5,612.42 : x
  2. Step 2: Convert to fraction form
    10,088.60/13,922.44 = 5,612.42/x
  3. Step 3: Cross multiply
    10,088.60x = 13,922.44 × 5,612.42
  4. Step 4: Simplify right side
    10,088.60x = 78,138,580.70
  5. Step 5: Solve for x
    x = 78,138,580.70/10,088.60
  6. Step 6: Final answer
    x = 7,745.24

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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.