Home / 13,946.22-19,245.33-7,658.19

Finding the Fourth Proportional to 13,946.22, 19,245.33 and 7,658.19

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Solution

The fourth proportional to 13,946.22, 19,245.33 and 7,658.19 is: 10,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.22 : 19,245.33 = 7,658.19 : x
  2. Step 2: Convert to fraction form
    13,946.22/19,245.33 = 7,658.19/x
  3. Step 3: Cross multiply
    13,946.22x = 19,245.33 × 7,658.19
  4. Step 4: Simplify right side
    13,946.22x = 147,384,393.75
  5. Step 5: Solve for x
    x = 147,384,393.75/13,946.22
  6. Step 6: Final answer
    x = 10,568.05

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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.