Home / 16,501.80-22,772.21-9,331.61

Finding the Fourth Proportional to 16,501.80, 22,772.21 and 9,331.61

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Solution

The fourth proportional to 16,501.80, 22,772.21 and 9,331.61 is: 12,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,501.80 : 22,772.21 = 9,331.61 : x
  2. Step 2: Convert to fraction form
    16,501.80/22,772.21 = 9,331.61/x
  3. Step 3: Cross multiply
    16,501.80x = 22,772.21 × 9,331.61
  4. Step 4: Simplify right side
    16,501.80x = 212,501,222.04
  5. Step 5: Solve for x
    x = 212,501,222.04/16,501.80
  6. Step 6: Final answer
    x = 12,877.46

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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.