Home / 9,935.88-13,711.23-5,628.57

Finding the Fourth Proportional to 9,935.88, 13,711.23 and 5,628.57

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Solution

The fourth proportional to 9,935.88, 13,711.23 and 5,628.57 is: 7,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.88 : 13,711.23 = 5,628.57 : x
  2. Step 2: Convert to fraction form
    9,935.88/13,711.23 = 5,628.57/x
  3. Step 3: Cross multiply
    9,935.88x = 13,711.23 × 5,628.57
  4. Step 4: Simplify right side
    9,935.88x = 77,174,617.84
  5. Step 5: Solve for x
    x = 77,174,617.84/9,935.88
  6. Step 6: Final answer
    x = 7,767.27

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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.