Home / 11,747.45-17,707.50-11,069.89

Finding the Fourth Proportional to 11,747.45, 17,707.50 and 11,069.89

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Solution

The fourth proportional to 11,747.45, 17,707.50 and 11,069.89 is: 16,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.45 : 17,707.50 = 11,069.89 : x
  2. Step 2: Convert to fraction form
    11,747.45/17,707.50 = 11,069.89/x
  3. Step 3: Cross multiply
    11,747.45x = 17,707.50 × 11,069.89
  4. Step 4: Simplify right side
    11,747.45x = 196,020,077.18
  5. Step 5: Solve for x
    x = 196,020,077.18/11,747.45
  6. Step 6: Final answer
    x = 16,686.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.