Home / 9,939.51-13,717.89-5,750.19

Finding the Fourth Proportional to 9,939.51, 13,717.89 and 5,750.19

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Solution

The fourth proportional to 9,939.51, 13,717.89 and 5,750.19 is: 7,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.51 : 13,717.89 = 5,750.19 : x
  2. Step 2: Convert to fraction form
    9,939.51/13,717.89 = 5,750.19/x
  3. Step 3: Cross multiply
    9,939.51x = 13,717.89 × 5,750.19
  4. Step 4: Simplify right side
    9,939.51x = 78,880,473.90
  5. Step 5: Solve for x
    x = 78,880,473.90/9,939.51
  6. Step 6: Final answer
    x = 7,936.05

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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.