Home / 19,826.59-29,730.21-9,819.76

Finding the Fourth Proportional to 19,826.59, 29,730.21 and 9,819.76

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Solution

The fourth proportional to 19,826.59, 29,730.21 and 9,819.76 is: 14,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.59 : 29,730.21 = 9,819.76 : x
  2. Step 2: Convert to fraction form
    19,826.59/29,730.21 = 9,819.76/x
  3. Step 3: Cross multiply
    19,826.59x = 29,730.21 × 9,819.76
  4. Step 4: Simplify right side
    19,826.59x = 291,943,526.95
  5. Step 5: Solve for x
    x = 291,943,526.95/19,826.59
  6. Step 6: Final answer
    x = 14,724.85

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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.