Home / 19,685.44-29,525.68-8,599.76

Finding the Fourth Proportional to 19,685.44, 29,525.68 and 8,599.76

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Solution

The fourth proportional to 19,685.44, 29,525.68 and 8,599.76 is: 12,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.44 : 29,525.68 = 8,599.76 : x
  2. Step 2: Convert to fraction form
    19,685.44/29,525.68 = 8,599.76/x
  3. Step 3: Cross multiply
    19,685.44x = 29,525.68 × 8,599.76
  4. Step 4: Simplify right side
    19,685.44x = 253,913,761.84
  5. Step 5: Solve for x
    x = 253,913,761.84/19,685.44
  6. Step 6: Final answer
    x = 12,898.56

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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.