Home / 13,156.32-19,734.96-4,391.52

Finding the Fourth Proportional to 13,156.32, 19,734.96 and 4,391.52

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Solution

The fourth proportional to 13,156.32, 19,734.96 and 4,391.52 is: 6,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.32 : 19,734.96 = 4,391.52 : x
  2. Step 2: Convert to fraction form
    13,156.32/19,734.96 = 4,391.52/x
  3. Step 3: Cross multiply
    13,156.32x = 19,734.96 × 4,391.52
  4. Step 4: Simplify right side
    13,156.32x = 86,666,471.54
  5. Step 5: Solve for x
    x = 86,666,471.54/13,156.32
  6. Step 6: Final answer
    x = 6,587.44

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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.