Home / 16,190.73-22,343.63-9,117.41

Finding the Fourth Proportional to 16,190.73, 22,343.63 and 9,117.41

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Solution

The fourth proportional to 16,190.73, 22,343.63 and 9,117.41 is: 12,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.73 : 22,343.63 = 9,117.41 : x
  2. Step 2: Convert to fraction form
    16,190.73/22,343.63 = 9,117.41/x
  3. Step 3: Cross multiply
    16,190.73x = 22,343.63 × 9,117.41
  4. Step 4: Simplify right side
    16,190.73x = 203,715,878.29
  5. Step 5: Solve for x
    x = 203,715,878.29/16,190.73
  6. Step 6: Final answer
    x = 12,582.25

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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.