Home / 19,825.74-29,730.90-9,958.11

Finding the Fourth Proportional to 19,825.74, 29,730.90 and 9,958.11

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Solution

The fourth proportional to 19,825.74, 29,730.90 and 9,958.11 is: 14,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.74 : 29,730.90 = 9,958.11 : x
  2. Step 2: Convert to fraction form
    19,825.74/29,730.90 = 9,958.11/x
  3. Step 3: Cross multiply
    19,825.74x = 29,730.90 × 9,958.11
  4. Step 4: Simplify right side
    19,825.74x = 296,063,572.60
  5. Step 5: Solve for x
    x = 296,063,572.60/19,825.74
  6. Step 6: Final answer
    x = 14,933.29

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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.