Home / 14,287.05-19,695.84-10,503.54

Finding the Fourth Proportional to 14,287.05, 19,695.84 and 10,503.54

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Solution

The fourth proportional to 14,287.05, 19,695.84 and 10,503.54 is: 14,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.05 : 19,695.84 = 10,503.54 : x
  2. Step 2: Convert to fraction form
    14,287.05/19,695.84 = 10,503.54/x
  3. Step 3: Cross multiply
    14,287.05x = 19,695.84 × 10,503.54
  4. Step 4: Simplify right side
    14,287.05x = 206,876,043.27
  5. Step 5: Solve for x
    x = 206,876,043.27/14,287.05
  6. Step 6: Final answer
    x = 14,479.97

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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.