Home / 16,190.93-22,343.04-9,117.20

Finding the Fourth Proportional to 16,190.93, 22,343.04 and 9,117.20

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Solution

The fourth proportional to 16,190.93, 22,343.04 and 9,117.20 is: 12,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.93 : 22,343.04 = 9,117.20 : x
  2. Step 2: Convert to fraction form
    16,190.93/22,343.04 = 9,117.20/x
  3. Step 3: Cross multiply
    16,190.93x = 22,343.04 × 9,117.20
  4. Step 4: Simplify right side
    16,190.93x = 203,705,852.57
  5. Step 5: Solve for x
    x = 203,705,852.57/16,190.93
  6. Step 6: Final answer
    x = 12,581.48

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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.