Home / 11,393.13-17,097.28-4,378.93

Finding the Fourth Proportional to 11,393.13, 17,097.28 and 4,378.93

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Solution

The fourth proportional to 11,393.13, 17,097.28 and 4,378.93 is: 6,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.13 : 17,097.28 = 4,378.93 : x
  2. Step 2: Convert to fraction form
    11,393.13/17,097.28 = 4,378.93/x
  3. Step 3: Cross multiply
    11,393.13x = 17,097.28 × 4,378.93
  4. Step 4: Simplify right side
    11,393.13x = 74,867,792.31
  5. Step 5: Solve for x
    x = 74,867,792.31/11,393.13
  6. Step 6: Final answer
    x = 6,571.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.