Home / 13,107.66-19,660.98-11,346.93

Finding the Fourth Proportional to 13,107.66, 19,660.98 and 11,346.93

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Solution

The fourth proportional to 13,107.66, 19,660.98 and 11,346.93 is: 17,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.66 : 19,660.98 = 11,346.93 : x
  2. Step 2: Convert to fraction form
    13,107.66/19,660.98 = 11,346.93/x
  3. Step 3: Cross multiply
    13,107.66x = 19,660.98 × 11,346.93
  4. Step 4: Simplify right side
    13,107.66x = 223,091,763.79
  5. Step 5: Solve for x
    x = 223,091,763.79/13,107.66
  6. Step 6: Final answer
    x = 17,019.95

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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.