Home / 9,113.36-13,665.18-4,719.92

Finding the Fourth Proportional to 9,113.36, 13,665.18 and 4,719.92

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Solution

The fourth proportional to 9,113.36, 13,665.18 and 4,719.92 is: 7,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.36 : 13,665.18 = 4,719.92 : x
  2. Step 2: Convert to fraction form
    9,113.36/13,665.18 = 4,719.92/x
  3. Step 3: Cross multiply
    9,113.36x = 13,665.18 × 4,719.92
  4. Step 4: Simplify right side
    9,113.36x = 64,498,556.39
  5. Step 5: Solve for x
    x = 64,498,556.39/9,113.36
  6. Step 6: Final answer
    x = 7,077.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.