Home / 15,698.27-21,677.67-11,712.47

Finding the Fourth Proportional to 15,698.27, 21,677.67 and 11,712.47

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Solution

The fourth proportional to 15,698.27, 21,677.67 and 11,712.47 is: 16,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.27 : 21,677.67 = 11,712.47 : x
  2. Step 2: Convert to fraction form
    15,698.27/21,677.67 = 11,712.47/x
  3. Step 3: Cross multiply
    15,698.27x = 21,677.67 × 11,712.47
  4. Step 4: Simplify right side
    15,698.27x = 253,899,059.54
  5. Step 5: Solve for x
    x = 253,899,059.54/15,698.27
  6. Step 6: Final answer
    x = 16,173.70

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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.