Home / 9,711.05-13,396.67-5,729.51

Finding the Fourth Proportional to 9,711.05, 13,396.67 and 5,729.51

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Solution

The fourth proportional to 9,711.05, 13,396.67 and 5,729.51 is: 7,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.05 : 13,396.67 = 5,729.51 : x
  2. Step 2: Convert to fraction form
    9,711.05/13,396.67 = 5,729.51/x
  3. Step 3: Cross multiply
    9,711.05x = 13,396.67 × 5,729.51
  4. Step 4: Simplify right side
    9,711.05x = 76,756,326.08
  5. Step 5: Solve for x
    x = 76,756,326.08/9,711.05
  6. Step 6: Final answer
    x = 7,904.02

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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.