Home / 13,326.32-20,009.40-11,552.72

Finding the Fourth Proportional to 13,326.32, 20,009.40 and 11,552.72

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Solution

The fourth proportional to 13,326.32, 20,009.40 and 11,552.72 is: 17,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.32 : 20,009.40 = 11,552.72 : x
  2. Step 2: Convert to fraction form
    13,326.32/20,009.40 = 11,552.72/x
  3. Step 3: Cross multiply
    13,326.32x = 20,009.40 × 11,552.72
  4. Step 4: Simplify right side
    13,326.32x = 231,162,995.57
  5. Step 5: Solve for x
    x = 231,162,995.57/13,326.32
  6. Step 6: Final answer
    x = 17,346.35

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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.