Home / 22,321.49-30,803.15-14,363.69

Finding the Fourth Proportional to 22,321.49, 30,803.15 and 14,363.69

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Solution

The fourth proportional to 22,321.49, 30,803.15 and 14,363.69 is: 19,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.49 : 30,803.15 = 14,363.69 : x
  2. Step 2: Convert to fraction form
    22,321.49/30,803.15 = 14,363.69/x
  3. Step 3: Cross multiply
    22,321.49x = 30,803.15 × 14,363.69
  4. Step 4: Simplify right side
    22,321.49x = 442,446,671.79
  5. Step 5: Solve for x
    x = 442,446,671.79/22,321.49
  6. Step 6: Final answer
    x = 19,821.56

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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.