Home / 19,486.67-29,213.60-7,793.51

Finding the Fourth Proportional to 19,486.67, 29,213.60 and 7,793.51

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Solution

The fourth proportional to 19,486.67, 29,213.60 and 7,793.51 is: 11,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.67 : 29,213.60 = 7,793.51 : x
  2. Step 2: Convert to fraction form
    19,486.67/29,213.60 = 7,793.51/x
  3. Step 3: Cross multiply
    19,486.67x = 29,213.60 × 7,793.51
  4. Step 4: Simplify right side
    19,486.67x = 227,676,298.70
  5. Step 5: Solve for x
    x = 227,676,298.70/19,486.67
  6. Step 6: Final answer
    x = 11,683.70

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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.