Home / 11,145.60-15,402.24-8,346.24

Finding the Fourth Proportional to 11,145.60, 15,402.24 and 8,346.24

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Solution

The fourth proportional to 11,145.60, 15,402.24 and 8,346.24 is: 11,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.60 : 15,402.24 = 8,346.24 : x
  2. Step 2: Convert to fraction form
    11,145.60/15,402.24 = 8,346.24/x
  3. Step 3: Cross multiply
    11,145.60x = 15,402.24 × 8,346.24
  4. Step 4: Simplify right side
    11,145.60x = 128,550,791.58
  5. Step 5: Solve for x
    x = 128,550,791.58/11,145.60
  6. Step 6: Final answer
    x = 11,533.77

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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.