Home / 16,821.66-25,320.21-14,284.74

Finding the Fourth Proportional to 16,821.66, 25,320.21 and 14,284.74

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Solution

The fourth proportional to 16,821.66, 25,320.21 and 14,284.74 is: 21,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.66 : 25,320.21 = 14,284.74 : x
  2. Step 2: Convert to fraction form
    16,821.66/25,320.21 = 14,284.74/x
  3. Step 3: Cross multiply
    16,821.66x = 25,320.21 × 14,284.74
  4. Step 4: Simplify right side
    16,821.66x = 361,692,616.60
  5. Step 5: Solve for x
    x = 361,692,616.60/16,821.66
  6. Step 6: Final answer
    x = 21,501.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.