Home / 9,936.79-13,713-5,460.64

Finding the Fourth Proportional to 9,936.79, 13,713 and 5,460.64

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Solution

The fourth proportional to 9,936.79, 13,713 and 5,460.64 is: 7,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.79 : 13,713 = 5,460.64 : x
  2. Step 2: Convert to fraction form
    9,936.79/13,713 = 5,460.64/x
  3. Step 3: Cross multiply
    9,936.79x = 13,713 × 5,460.64
  4. Step 4: Simplify right side
    9,936.79x = 74,881,756.32
  5. Step 5: Solve for x
    x = 74,881,756.32/9,936.79
  6. Step 6: Final answer
    x = 7,535.81

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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.