Home / 19,734.39-29,639.25-11,431.08

Finding the Fourth Proportional to 19,734.39, 29,639.25 and 11,431.08

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Solution

The fourth proportional to 19,734.39, 29,639.25 and 11,431.08 is: 17,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.39 : 29,639.25 = 11,431.08 : x
  2. Step 2: Convert to fraction form
    19,734.39/29,639.25 = 11,431.08/x
  3. Step 3: Cross multiply
    19,734.39x = 29,639.25 × 11,431.08
  4. Step 4: Simplify right side
    19,734.39x = 338,808,637.89
  5. Step 5: Solve for x
    x = 338,808,637.89/19,734.39
  6. Step 6: Final answer
    x = 17,168.44

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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.