Home / 12,949.41-19,394.91-9,071.13

Finding the Fourth Proportional to 12,949.41, 19,394.91 and 9,071.13

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Solution

The fourth proportional to 12,949.41, 19,394.91 and 9,071.13 is: 13,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.41 : 19,394.91 = 9,071.13 : x
  2. Step 2: Convert to fraction form
    12,949.41/19,394.91 = 9,071.13/x
  3. Step 3: Cross multiply
    12,949.41x = 19,394.91 × 9,071.13
  4. Step 4: Simplify right side
    12,949.41x = 175,933,749.95
  5. Step 5: Solve for x
    x = 175,933,749.95/12,949.41
  6. Step 6: Final answer
    x = 13,586.24

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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.