Home / 19,768.75-29,655.85-6,624.88

Finding the Fourth Proportional to 19,768.75, 29,655.85 and 6,624.88

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Solution

The fourth proportional to 19,768.75, 29,655.85 and 6,624.88 is: 9,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.75 : 29,655.85 = 6,624.88 : x
  2. Step 2: Convert to fraction form
    19,768.75/29,655.85 = 6,624.88/x
  3. Step 3: Cross multiply
    19,768.75x = 29,655.85 × 6,624.88
  4. Step 4: Simplify right side
    19,768.75x = 196,466,447.55
  5. Step 5: Solve for x
    x = 196,466,447.55/19,768.75
  6. Step 6: Final answer
    x = 9,938.23

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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.