Home / 13,937.70-19,235.62-9,687.62

Finding the Fourth Proportional to 13,937.70, 19,235.62 and 9,687.62

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Solution

The fourth proportional to 13,937.70, 19,235.62 and 9,687.62 is: 13,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.70 : 19,235.62 = 9,687.62 : x
  2. Step 2: Convert to fraction form
    13,937.70/19,235.62 = 9,687.62/x
  3. Step 3: Cross multiply
    13,937.70x = 19,235.62 × 9,687.62
  4. Step 4: Simplify right side
    13,937.70x = 186,347,377.02
  5. Step 5: Solve for x
    x = 186,347,377.02/13,937.70
  6. Step 6: Final answer
    x = 13,370.02

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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.