Home / 13,001.40-19,500.66-3,767.40

Finding the Fourth Proportional to 13,001.40, 19,500.66 and 3,767.40

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Solution

The fourth proportional to 13,001.40, 19,500.66 and 3,767.40 is: 5,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.40 : 19,500.66 = 3,767.40 : x
  2. Step 2: Convert to fraction form
    13,001.40/19,500.66 = 3,767.40/x
  3. Step 3: Cross multiply
    13,001.40x = 19,500.66 × 3,767.40
  4. Step 4: Simplify right side
    13,001.40x = 73,466,786.48
  5. Step 5: Solve for x
    x = 73,466,786.48/13,001.40
  6. Step 6: Final answer
    x = 5,650.68

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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.