Home / 19,602.92-29,404.10-4,811.78

Finding the Fourth Proportional to 19,602.92, 29,404.10 and 4,811.78

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Solution

The fourth proportional to 19,602.92, 29,404.10 and 4,811.78 is: 7,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.92 : 29,404.10 = 4,811.78 : x
  2. Step 2: Convert to fraction form
    19,602.92/29,404.10 = 4,811.78/x
  3. Step 3: Cross multiply
    19,602.92x = 29,404.10 × 4,811.78
  4. Step 4: Simplify right side
    19,602.92x = 141,485,925.31
  5. Step 5: Solve for x
    x = 141,485,925.31/19,602.92
  6. Step 6: Final answer
    x = 7,217.60

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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.