Home / 13,269.70-19,902.07-5,370.15

Finding the Fourth Proportional to 13,269.70, 19,902.07 and 5,370.15

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Solution

The fourth proportional to 13,269.70, 19,902.07 and 5,370.15 is: 8,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.70 : 19,902.07 = 5,370.15 : x
  2. Step 2: Convert to fraction form
    13,269.70/19,902.07 = 5,370.15/x
  3. Step 3: Cross multiply
    13,269.70x = 19,902.07 × 5,370.15
  4. Step 4: Simplify right side
    13,269.70x = 106,877,101.21
  5. Step 5: Solve for x
    x = 106,877,101.21/13,269.70
  6. Step 6: Final answer
    x = 8,054.22

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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.