Home / 11,101.39-15,317.85-6,564.79

Finding the Fourth Proportional to 11,101.39, 15,317.85 and 6,564.79

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Solution

The fourth proportional to 11,101.39, 15,317.85 and 6,564.79 is: 9,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.39 : 15,317.85 = 6,564.79 : x
  2. Step 2: Convert to fraction form
    11,101.39/15,317.85 = 6,564.79/x
  3. Step 3: Cross multiply
    11,101.39x = 15,317.85 × 6,564.79
  4. Step 4: Simplify right side
    11,101.39x = 100,558,468.50
  5. Step 5: Solve for x
    x = 100,558,468.50/11,101.39
  6. Step 6: Final answer
    x = 9,058.19

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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.