Home / 13,294.06-19,936.12-4,407.76

Finding the Fourth Proportional to 13,294.06, 19,936.12 and 4,407.76

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Solution

The fourth proportional to 13,294.06, 19,936.12 and 4,407.76 is: 6,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.06 : 19,936.12 = 4,407.76 : x
  2. Step 2: Convert to fraction form
    13,294.06/19,936.12 = 4,407.76/x
  3. Step 3: Cross multiply
    13,294.06x = 19,936.12 × 4,407.76
  4. Step 4: Simplify right side
    13,294.06x = 87,873,632.29
  5. Step 5: Solve for x
    x = 87,873,632.29/13,294.06
  6. Step 6: Final answer
    x = 6,609.99

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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.