Home / 13,160.61-19,733.40-7,826.04

Finding the Fourth Proportional to 13,160.61, 19,733.40 and 7,826.04

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Solution

The fourth proportional to 13,160.61, 19,733.40 and 7,826.04 is: 11,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.61 : 19,733.40 = 7,826.04 : x
  2. Step 2: Convert to fraction form
    13,160.61/19,733.40 = 7,826.04/x
  3. Step 3: Cross multiply
    13,160.61x = 19,733.40 × 7,826.04
  4. Step 4: Simplify right side
    13,160.61x = 154,434,377.74
  5. Step 5: Solve for x
    x = 154,434,377.74/13,160.61
  6. Step 6: Final answer
    x = 11,734.59

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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.