Home / 13,148.46-19,722.78-4,383.36

Finding the Fourth Proportional to 13,148.46, 19,722.78 and 4,383.36

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Solution

The fourth proportional to 13,148.46, 19,722.78 and 4,383.36 is: 6,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.46 : 19,722.78 = 4,383.36 : x
  2. Step 2: Convert to fraction form
    13,148.46/19,722.78 = 4,383.36/x
  3. Step 3: Cross multiply
    13,148.46x = 19,722.78 × 4,383.36
  4. Step 4: Simplify right side
    13,148.46x = 86,452,044.94
  5. Step 5: Solve for x
    x = 86,452,044.94/13,148.46
  6. Step 6: Final answer
    x = 6,575.07

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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.