Home / 19,410.60-29,122.05-6,930.35

Finding the Fourth Proportional to 19,410.60, 29,122.05 and 6,930.35

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Solution

The fourth proportional to 19,410.60, 29,122.05 and 6,930.35 is: 10,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.60 : 29,122.05 = 6,930.35 : x
  2. Step 2: Convert to fraction form
    19,410.60/29,122.05 = 6,930.35/x
  3. Step 3: Cross multiply
    19,410.60x = 29,122.05 × 6,930.35
  4. Step 4: Simplify right side
    19,410.60x = 201,825,999.22
  5. Step 5: Solve for x
    x = 201,825,999.22/19,410.60
  6. Step 6: Final answer
    x = 10,397.72

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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.