Home / 9,933.45-13,710.92-5,686.89

Finding the Fourth Proportional to 9,933.45, 13,710.92 and 5,686.89

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Solution

The fourth proportional to 9,933.45, 13,710.92 and 5,686.89 is: 7,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.45 : 13,710.92 = 5,686.89 : x
  2. Step 2: Convert to fraction form
    9,933.45/13,710.92 = 5,686.89/x
  3. Step 3: Cross multiply
    9,933.45x = 13,710.92 × 5,686.89
  4. Step 4: Simplify right side
    9,933.45x = 77,972,465.40
  5. Step 5: Solve for x
    x = 77,972,465.40/9,933.45
  6. Step 6: Final answer
    x = 7,849.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.