Home / 13,217.55-19,827.57-4,786.18

Finding the Fourth Proportional to 13,217.55, 19,827.57 and 4,786.18

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Solution

The fourth proportional to 13,217.55, 19,827.57 and 4,786.18 is: 7,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.55 : 19,827.57 = 4,786.18 : x
  2. Step 2: Convert to fraction form
    13,217.55/19,827.57 = 4,786.18/x
  3. Step 3: Cross multiply
    13,217.55x = 19,827.57 × 4,786.18
  4. Step 4: Simplify right side
    13,217.55x = 94,898,287.36
  5. Step 5: Solve for x
    x = 94,898,287.36/13,217.55
  6. Step 6: Final answer
    x = 7,179.72

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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.