Home / 20,336.64-30,501.88-5,546.76

Finding the Fourth Proportional to 20,336.64, 30,501.88 and 5,546.76

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Solution

The fourth proportional to 20,336.64, 30,501.88 and 5,546.76 is: 8,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.64 : 30,501.88 = 5,546.76 : x
  2. Step 2: Convert to fraction form
    20,336.64/30,501.88 = 5,546.76/x
  3. Step 3: Cross multiply
    20,336.64x = 30,501.88 × 5,546.76
  4. Step 4: Simplify right side
    20,336.64x = 169,186,607.91
  5. Step 5: Solve for x
    x = 169,186,607.91/20,336.64
  6. Step 6: Final answer
    x = 8,319.30

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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.