Home / 13,675.13-18,866.60-10,488.99

Finding the Fourth Proportional to 13,675.13, 18,866.60 and 10,488.99

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Solution

The fourth proportional to 13,675.13, 18,866.60 and 10,488.99 is: 14,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.13 : 18,866.60 = 10,488.99 : x
  2. Step 2: Convert to fraction form
    13,675.13/18,866.60 = 10,488.99/x
  3. Step 3: Cross multiply
    13,675.13x = 18,866.60 × 10,488.99
  4. Step 4: Simplify right side
    13,675.13x = 197,891,578.73
  5. Step 5: Solve for x
    x = 197,891,578.73/13,675.13
  6. Step 6: Final answer
    x = 14,470.92

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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.