Home / 20,513.16-30,770.88-6,473.52

Finding the Fourth Proportional to 20,513.16, 30,770.88 and 6,473.52

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Solution

The fourth proportional to 20,513.16, 30,770.88 and 6,473.52 is: 9,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513.16 : 30,770.88 = 6,473.52 : x
  2. Step 2: Convert to fraction form
    20,513.16/30,770.88 = 6,473.52/x
  3. Step 3: Cross multiply
    20,513.16x = 30,770.88 × 6,473.52
  4. Step 4: Simplify right side
    20,513.16x = 199,195,907.10
  5. Step 5: Solve for x
    x = 199,195,907.10/20,513.16
  6. Step 6: Final answer
    x = 9,710.64

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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.