Home / 19,425.70-29,124.15-8,323.30

Finding the Fourth Proportional to 19,425.70, 29,124.15 and 8,323.30

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Solution

The fourth proportional to 19,425.70, 29,124.15 and 8,323.30 is: 12,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.70 : 29,124.15 = 8,323.30 : x
  2. Step 2: Convert to fraction form
    19,425.70/29,124.15 = 8,323.30/x
  3. Step 3: Cross multiply
    19,425.70x = 29,124.15 × 8,323.30
  4. Step 4: Simplify right side
    19,425.70x = 242,409,037.70
  5. Step 5: Solve for x
    x = 242,409,037.70/19,425.70
  6. Step 6: Final answer
    x = 12,478.78

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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.