Home / 13,766.39-19,095.09-13,294.36

Finding the Fourth Proportional to 13,766.39, 19,095.09 and 13,294.36

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Solution

The fourth proportional to 13,766.39, 19,095.09 and 13,294.36 is: 18,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.39 : 19,095.09 = 13,294.36 : x
  2. Step 2: Convert to fraction form
    13,766.39/19,095.09 = 13,294.36/x
  3. Step 3: Cross multiply
    13,766.39x = 19,095.09 × 13,294.36
  4. Step 4: Simplify right side
    13,766.39x = 253,857,000.69
  5. Step 5: Solve for x
    x = 253,857,000.69/13,766.39
  6. Step 6: Final answer
    x = 18,440.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.