Home / 12,910.04-19,372.44-10,745

Finding the Fourth Proportional to 12,910.04, 19,372.44 and 10,745

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Solution

The fourth proportional to 12,910.04, 19,372.44 and 10,745 is: 16,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.04 : 19,372.44 = 10,745 : x
  2. Step 2: Convert to fraction form
    12,910.04/19,372.44 = 10,745/x
  3. Step 3: Cross multiply
    12,910.04x = 19,372.44 × 10,745
  4. Step 4: Simplify right side
    12,910.04x = 208,156,867.80
  5. Step 5: Solve for x
    x = 208,156,867.80/12,910.04
  6. Step 6: Final answer
    x = 16,123.64

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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.