Home / 13,148.34-19,713.33-6,120.78

Finding the Fourth Proportional to 13,148.34, 19,713.33 and 6,120.78

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Solution

The fourth proportional to 13,148.34, 19,713.33 and 6,120.78 is: 9,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.34 : 19,713.33 = 6,120.78 : x
  2. Step 2: Convert to fraction form
    13,148.34/19,713.33 = 6,120.78/x
  3. Step 3: Cross multiply
    13,148.34x = 19,713.33 × 6,120.78
  4. Step 4: Simplify right side
    13,148.34x = 120,660,956.00
  5. Step 5: Solve for x
    x = 120,660,956.00/13,148.34
  6. Step 6: Final answer
    x = 9,176.90

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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.