Home / 10,472.79-15,705.83-3,451.23

Finding the Fourth Proportional to 10,472.79, 15,705.83 and 3,451.23

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Solution

The fourth proportional to 10,472.79, 15,705.83 and 3,451.23 is: 5,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.79 : 15,705.83 = 3,451.23 : x
  2. Step 2: Convert to fraction form
    10,472.79/15,705.83 = 3,451.23/x
  3. Step 3: Cross multiply
    10,472.79x = 15,705.83 × 3,451.23
  4. Step 4: Simplify right side
    10,472.79x = 54,204,427.36
  5. Step 5: Solve for x
    x = 54,204,427.36/10,472.79
  6. Step 6: Final answer
    x = 5,175.74

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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.