Home / 13,260.27-19,888.17-4,372.85

Finding the Fourth Proportional to 13,260.27, 19,888.17 and 4,372.85

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Solution

The fourth proportional to 13,260.27, 19,888.17 and 4,372.85 is: 6,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.27 : 19,888.17 = 4,372.85 : x
  2. Step 2: Convert to fraction form
    13,260.27/19,888.17 = 4,372.85/x
  3. Step 3: Cross multiply
    13,260.27x = 19,888.17 × 4,372.85
  4. Step 4: Simplify right side
    13,260.27x = 86,967,884.74
  5. Step 5: Solve for x
    x = 86,967,884.74/13,260.27
  6. Step 6: Final answer
    x = 6,558.53

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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.