Home / 19,829.15-29,734.97-9,290.68

Finding the Fourth Proportional to 19,829.15, 29,734.97 and 9,290.68

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Solution

The fourth proportional to 19,829.15, 29,734.97 and 9,290.68 is: 13,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.15 : 29,734.97 = 9,290.68 : x
  2. Step 2: Convert to fraction form
    19,829.15/29,734.97 = 9,290.68/x
  3. Step 3: Cross multiply
    19,829.15x = 29,734.97 × 9,290.68
  4. Step 4: Simplify right side
    19,829.15x = 276,258,039.97
  5. Step 5: Solve for x
    x = 276,258,039.97/19,829.15
  6. Step 6: Final answer
    x = 13,931.92

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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.