Home / 14,091.70-19,446.03-8,123.62

Finding the Fourth Proportional to 14,091.70, 19,446.03 and 8,123.62

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Solution

The fourth proportional to 14,091.70, 19,446.03 and 8,123.62 is: 11,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.70 : 19,446.03 = 8,123.62 : x
  2. Step 2: Convert to fraction form
    14,091.70/19,446.03 = 8,123.62/x
  3. Step 3: Cross multiply
    14,091.70x = 19,446.03 × 8,123.62
  4. Step 4: Simplify right side
    14,091.70x = 157,972,158.23
  5. Step 5: Solve for x
    x = 157,972,158.23/14,091.70
  6. Step 6: Final answer
    x = 11,210.30

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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.