Home / 19,408.18-29,118.42-6,927.92

Finding the Fourth Proportional to 19,408.18, 29,118.42 and 6,927.92

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Solution

The fourth proportional to 19,408.18, 29,118.42 and 6,927.92 is: 10,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.18 : 29,118.42 = 6,927.92 : x
  2. Step 2: Convert to fraction form
    19,408.18/29,118.42 = 6,927.92/x
  3. Step 3: Cross multiply
    19,408.18x = 29,118.42 × 6,927.92
  4. Step 4: Simplify right side
    19,408.18x = 201,730,084.29
  5. Step 5: Solve for x
    x = 201,730,084.29/19,408.18
  6. Step 6: Final answer
    x = 10,394.08

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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.