Home / 17,111.80-25,667.70-11,206.90

Finding the Fourth Proportional to 17,111.80, 25,667.70 and 11,206.90

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Solution

The fourth proportional to 17,111.80, 25,667.70 and 11,206.90 is: 16,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.80 : 25,667.70 = 11,206.90 : x
  2. Step 2: Convert to fraction form
    17,111.80/25,667.70 = 11,206.90/x
  3. Step 3: Cross multiply
    17,111.80x = 25,667.70 × 11,206.90
  4. Step 4: Simplify right side
    17,111.80x = 287,655,347.13
  5. Step 5: Solve for x
    x = 287,655,347.13/17,111.80
  6. Step 6: Final answer
    x = 16,810.35

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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.