Home / 9,939.95-13,717.38-5,463.81

Finding the Fourth Proportional to 9,939.95, 13,717.38 and 5,463.81

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Solution

The fourth proportional to 9,939.95, 13,717.38 and 5,463.81 is: 7,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.95 : 13,717.38 = 5,463.81 : x
  2. Step 2: Convert to fraction form
    9,939.95/13,717.38 = 5,463.81/x
  3. Step 3: Cross multiply
    9,939.95x = 13,717.38 × 5,463.81
  4. Step 4: Simplify right side
    9,939.95x = 74,949,192.31
  5. Step 5: Solve for x
    x = 74,949,192.31/9,939.95
  6. Step 6: Final answer
    x = 7,540.20

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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.