Home / 10,129.32-15,196.77-3,554.64

Finding the Fourth Proportional to 10,129.32, 15,196.77 and 3,554.64

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Solution

The fourth proportional to 10,129.32, 15,196.77 and 3,554.64 is: 5,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.32 : 15,196.77 = 3,554.64 : x
  2. Step 2: Convert to fraction form
    10,129.32/15,196.77 = 3,554.64/x
  3. Step 3: Cross multiply
    10,129.32x = 15,196.77 × 3,554.64
  4. Step 4: Simplify right side
    10,129.32x = 54,019,046.51
  5. Step 5: Solve for x
    x = 54,019,046.51/10,129.32
  6. Step 6: Final answer
    x = 5,332.94

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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.