Home / 9,926.94-13,698.64-5,451.28

Finding the Fourth Proportional to 9,926.94, 13,698.64 and 5,451.28

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Solution

The fourth proportional to 9,926.94, 13,698.64 and 5,451.28 is: 7,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926.94 : 13,698.64 = 5,451.28 : x
  2. Step 2: Convert to fraction form
    9,926.94/13,698.64 = 5,451.28/x
  3. Step 3: Cross multiply
    9,926.94x = 13,698.64 × 5,451.28
  4. Step 4: Simplify right side
    9,926.94x = 74,675,122.26
  5. Step 5: Solve for x
    x = 74,675,122.26/9,926.94
  6. Step 6: Final answer
    x = 7,522.47

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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.