Home / 13,031.92-19,550.36-4,267.36

Finding the Fourth Proportional to 13,031.92, 19,550.36 and 4,267.36

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Solution

The fourth proportional to 13,031.92, 19,550.36 and 4,267.36 is: 6,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.92 : 19,550.36 = 4,267.36 : x
  2. Step 2: Convert to fraction form
    13,031.92/19,550.36 = 4,267.36/x
  3. Step 3: Cross multiply
    13,031.92x = 19,550.36 × 4,267.36
  4. Step 4: Simplify right side
    13,031.92x = 83,428,424.25
  5. Step 5: Solve for x
    x = 83,428,424.25/13,031.92
  6. Step 6: Final answer
    x = 6,401.85

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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.