Home / 12,355.23-17,049.91-6,904.35

Finding the Fourth Proportional to 12,355.23, 17,049.91 and 6,904.35

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Solution

The fourth proportional to 12,355.23, 17,049.91 and 6,904.35 is: 9,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.23 : 17,049.91 = 6,904.35 : x
  2. Step 2: Convert to fraction form
    12,355.23/17,049.91 = 6,904.35/x
  3. Step 3: Cross multiply
    12,355.23x = 17,049.91 × 6,904.35
  4. Step 4: Simplify right side
    12,355.23x = 117,718,447.65
  5. Step 5: Solve for x
    x = 117,718,447.65/12,355.23
  6. Step 6: Final answer
    x = 9,527.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.