Home / 15,989.82-22,039.49-14,649.71

Finding the Fourth Proportional to 15,989.82, 22,039.49 and 14,649.71

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Solution

The fourth proportional to 15,989.82, 22,039.49 and 14,649.71 is: 20,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.82 : 22,039.49 = 14,649.71 : x
  2. Step 2: Convert to fraction form
    15,989.82/22,039.49 = 14,649.71/x
  3. Step 3: Cross multiply
    15,989.82x = 22,039.49 × 14,649.71
  4. Step 4: Simplify right side
    15,989.82x = 322,872,187.45
  5. Step 5: Solve for x
    x = 322,872,187.45/15,989.82
  6. Step 6: Final answer
    x = 20,192.36

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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.