Home / 10,856.53-14,982.92-6,141.72

Finding the Fourth Proportional to 10,856.53, 14,982.92 and 6,141.72

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Solution

The fourth proportional to 10,856.53, 14,982.92 and 6,141.72 is: 8,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.53 : 14,982.92 = 6,141.72 : x
  2. Step 2: Convert to fraction form
    10,856.53/14,982.92 = 6,141.72/x
  3. Step 3: Cross multiply
    10,856.53x = 14,982.92 × 6,141.72
  4. Step 4: Simplify right side
    10,856.53x = 92,020,982.48
  5. Step 5: Solve for x
    x = 92,020,982.48/10,856.53
  6. Step 6: Final answer
    x = 8,476.09

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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.