Home / 16,810.88-23,205.35-13,216.46

Finding the Fourth Proportional to 16,810.88, 23,205.35 and 13,216.46

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Solution

The fourth proportional to 16,810.88, 23,205.35 and 13,216.46 is: 18,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.88 : 23,205.35 = 13,216.46 : x
  2. Step 2: Convert to fraction form
    16,810.88/23,205.35 = 13,216.46/x
  3. Step 3: Cross multiply
    16,810.88x = 23,205.35 × 13,216.46
  4. Step 4: Simplify right side
    16,810.88x = 306,692,497.08
  5. Step 5: Solve for x
    x = 306,692,497.08/16,810.88
  6. Step 6: Final answer
    x = 18,243.70

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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.