Home / 9,556.11-13,187.43-5,307.84

Finding the Fourth Proportional to 9,556.11, 13,187.43 and 5,307.84

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Solution

The fourth proportional to 9,556.11, 13,187.43 and 5,307.84 is: 7,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.11 : 13,187.43 = 5,307.84 : x
  2. Step 2: Convert to fraction form
    9,556.11/13,187.43 = 5,307.84/x
  3. Step 3: Cross multiply
    9,556.11x = 13,187.43 × 5,307.84
  4. Step 4: Simplify right side
    9,556.11x = 69,996,768.45
  5. Step 5: Solve for x
    x = 69,996,768.45/9,556.11
  6. Step 6: Final answer
    x = 7,324.82

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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.