Home / 10,135.64-15,203.46-3,560.32

Finding the Fourth Proportional to 10,135.64, 15,203.46 and 3,560.32

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Solution

The fourth proportional to 10,135.64, 15,203.46 and 3,560.32 is: 5,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.64 : 15,203.46 = 3,560.32 : x
  2. Step 2: Convert to fraction form
    10,135.64/15,203.46 = 3,560.32/x
  3. Step 3: Cross multiply
    10,135.64x = 15,203.46 × 3,560.32
  4. Step 4: Simplify right side
    10,135.64x = 54,129,215.06
  5. Step 5: Solve for x
    x = 54,129,215.06/10,135.64
  6. Step 6: Final answer
    x = 5,340.48

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1.5x scale

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.