Home / 9,869.13-13,619.52-5,392.94

Finding the Fourth Proportional to 9,869.13, 13,619.52 and 5,392.94

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Solution

The fourth proportional to 9,869.13, 13,619.52 and 5,392.94 is: 7,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.13 : 13,619.52 = 5,392.94 : x
  2. Step 2: Convert to fraction form
    9,869.13/13,619.52 = 5,392.94/x
  3. Step 3: Cross multiply
    9,869.13x = 13,619.52 × 5,392.94
  4. Step 4: Simplify right side
    9,869.13x = 73,449,186.09
  5. Step 5: Solve for x
    x = 73,449,186.09/9,869.13
  6. Step 6: Final answer
    x = 7,442.32

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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.