Home / 9,099.54-12,556.08-5,120.46

Finding the Fourth Proportional to 9,099.54, 12,556.08 and 5,120.46

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Solution

The fourth proportional to 9,099.54, 12,556.08 and 5,120.46 is: 7,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.54 : 12,556.08 = 5,120.46 : x
  2. Step 2: Convert to fraction form
    9,099.54/12,556.08 = 5,120.46/x
  3. Step 3: Cross multiply
    9,099.54x = 12,556.08 × 5,120.46
  4. Step 4: Simplify right side
    9,099.54x = 64,292,905.40
  5. Step 5: Solve for x
    x = 64,292,905.40/9,099.54
  6. Step 6: Final answer
    x = 7,065.51

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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.