Home / 22,238.04-30,690.25-12,680.92

Finding the Fourth Proportional to 22,238.04, 30,690.25 and 12,680.92

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Solution

The fourth proportional to 22,238.04, 30,690.25 and 12,680.92 is: 17,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.04 : 30,690.25 = 12,680.92 : x
  2. Step 2: Convert to fraction form
    22,238.04/30,690.25 = 12,680.92/x
  3. Step 3: Cross multiply
    22,238.04x = 30,690.25 × 12,680.92
  4. Step 4: Simplify right side
    22,238.04x = 389,180,605.03
  5. Step 5: Solve for x
    x = 389,180,605.03/22,238.04
  6. Step 6: Final answer
    x = 17,500.67

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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.