Home / 22,263.16-30,722.50-12,191.22

Finding the Fourth Proportional to 22,263.16, 30,722.50 and 12,191.22

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Solution

The fourth proportional to 22,263.16, 30,722.50 and 12,191.22 is: 16,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.16 : 30,722.50 = 12,191.22 : x
  2. Step 2: Convert to fraction form
    22,263.16/30,722.50 = 12,191.22/x
  3. Step 3: Cross multiply
    22,263.16x = 30,722.50 × 12,191.22
  4. Step 4: Simplify right side
    22,263.16x = 374,544,756.45
  5. Step 5: Solve for x
    x = 374,544,756.45/22,263.16
  6. Step 6: Final answer
    x = 16,823.52

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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.