Home / 16,821.02-25,185.36-13,693.70

Finding the Fourth Proportional to 16,821.02, 25,185.36 and 13,693.70

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Solution

The fourth proportional to 16,821.02, 25,185.36 and 13,693.70 is: 20,502.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.02 : 25,185.36 = 13,693.70 : x
  2. Step 2: Convert to fraction form
    16,821.02/25,185.36 = 13,693.70/x
  3. Step 3: Cross multiply
    16,821.02x = 25,185.36 × 13,693.70
  4. Step 4: Simplify right side
    16,821.02x = 344,880,764.23
  5. Step 5: Solve for x
    x = 344,880,764.23/16,821.02
  6. Step 6: Final answer
    x = 20,502.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.