Home / 20,303.53-30,451.57-9,207.55

Finding the Fourth Proportional to 20,303.53, 30,451.57 and 9,207.55

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Solution

The fourth proportional to 20,303.53, 30,451.57 and 9,207.55 is: 13,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.53 : 30,451.57 = 9,207.55 : x
  2. Step 2: Convert to fraction form
    20,303.53/30,451.57 = 9,207.55/x
  3. Step 3: Cross multiply
    20,303.53x = 30,451.57 × 9,207.55
  4. Step 4: Simplify right side
    20,303.53x = 280,384,353.35
  5. Step 5: Solve for x
    x = 280,384,353.35/20,303.53
  6. Step 6: Final answer
    x = 13,809.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.