Home / 17,111.80-25,686.90-13,233.40

Finding the Fourth Proportional to 17,111.80, 25,686.90 and 13,233.40

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Solution

The fourth proportional to 17,111.80, 25,686.90 and 13,233.40 is: 19,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.80 : 25,686.90 = 13,233.40 : x
  2. Step 2: Convert to fraction form
    17,111.80/25,686.90 = 13,233.40/x
  3. Step 3: Cross multiply
    17,111.80x = 25,686.90 × 13,233.40
  4. Step 4: Simplify right side
    17,111.80x = 339,925,022.46
  5. Step 5: Solve for x
    x = 339,925,022.46/17,111.80
  6. Step 6: Final answer
    x = 19,864.95

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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.