Home / 19,748.75-29,621.97-8,655.50

Finding the Fourth Proportional to 19,748.75, 29,621.97 and 8,655.50

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Solution

The fourth proportional to 19,748.75, 29,621.97 and 8,655.50 is: 12,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.75 : 29,621.97 = 8,655.50 : x
  2. Step 2: Convert to fraction form
    19,748.75/29,621.97 = 8,655.50/x
  3. Step 3: Cross multiply
    19,748.75x = 29,621.97 × 8,655.50
  4. Step 4: Simplify right side
    19,748.75x = 256,392,813.23
  5. Step 5: Solve for x
    x = 256,392,813.23/19,748.75
  6. Step 6: Final answer
    x = 12,982.74

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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.