Home / 13,240.91-19,863.93-4,477.25

Finding the Fourth Proportional to 13,240.91, 19,863.93 and 4,477.25

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Solution

The fourth proportional to 13,240.91, 19,863.93 and 4,477.25 is: 6,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.91 : 19,863.93 = 4,477.25 : x
  2. Step 2: Convert to fraction form
    13,240.91/19,863.93 = 4,477.25/x
  3. Step 3: Cross multiply
    13,240.91x = 19,863.93 × 4,477.25
  4. Step 4: Simplify right side
    13,240.91x = 88,935,780.59
  5. Step 5: Solve for x
    x = 88,935,780.59/13,240.91
  6. Step 6: Final answer
    x = 6,716.74

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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.