Home / 20,332.64-30,498.96-6,482.72

Finding the Fourth Proportional to 20,332.64, 30,498.96 and 6,482.72

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Solution

The fourth proportional to 20,332.64, 30,498.96 and 6,482.72 is: 9,724.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.64 : 30,498.96 = 6,482.72 : x
  2. Step 2: Convert to fraction form
    20,332.64/30,498.96 = 6,482.72/x
  3. Step 3: Cross multiply
    20,332.64x = 30,498.96 × 6,482.72
  4. Step 4: Simplify right side
    20,332.64x = 197,716,217.97
  5. Step 5: Solve for x
    x = 197,716,217.97/20,332.64
  6. Step 6: Final answer
    x = 9,724.08

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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.