Home / 9,869.07-13,618.91-5,392.97

Finding the Fourth Proportional to 9,869.07, 13,618.91 and 5,392.97

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Solution

The fourth proportional to 9,869.07, 13,618.91 and 5,392.97 is: 7,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.07 : 13,618.91 = 5,392.97 : x
  2. Step 2: Convert to fraction form
    9,869.07/13,618.91 = 5,392.97/x
  3. Step 3: Cross multiply
    9,869.07x = 13,618.91 × 5,392.97
  4. Step 4: Simplify right side
    9,869.07x = 73,446,420.59
  5. Step 5: Solve for x
    x = 73,446,420.59/9,869.07
  6. Step 6: Final answer
    x = 7,442.08

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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.