Home / 13,229.32-19,833.56-6,561.26

Finding the Fourth Proportional to 13,229.32, 19,833.56 and 6,561.26

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Solution

The fourth proportional to 13,229.32, 19,833.56 and 6,561.26 is: 9,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.32 : 19,833.56 = 6,561.26 : x
  2. Step 2: Convert to fraction form
    13,229.32/19,833.56 = 6,561.26/x
  3. Step 3: Cross multiply
    13,229.32x = 19,833.56 × 6,561.26
  4. Step 4: Simplify right side
    13,229.32x = 130,133,143.89
  5. Step 5: Solve for x
    x = 130,133,143.89/13,229.32
  6. Step 6: Final answer
    x = 9,836.72

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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.