Home / 13,032.20-19,561.32-7,191.56

Finding the Fourth Proportional to 13,032.20, 19,561.32 and 7,191.56

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Solution

The fourth proportional to 13,032.20, 19,561.32 and 7,191.56 is: 10,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.20 : 19,561.32 = 7,191.56 : x
  2. Step 2: Convert to fraction form
    13,032.20/19,561.32 = 7,191.56/x
  3. Step 3: Cross multiply
    13,032.20x = 19,561.32 × 7,191.56
  4. Step 4: Simplify right side
    13,032.20x = 140,676,406.46
  5. Step 5: Solve for x
    x = 140,676,406.46/13,032.20
  6. Step 6: Final answer
    x = 10,794.52

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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.