Home / 20,215.98-30,303.18-7,733.07

Finding the Fourth Proportional to 20,215.98, 30,303.18 and 7,733.07

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Solution

The fourth proportional to 20,215.98, 30,303.18 and 7,733.07 is: 11,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215.98 : 30,303.18 = 7,733.07 : x
  2. Step 2: Convert to fraction form
    20,215.98/30,303.18 = 7,733.07/x
  3. Step 3: Cross multiply
    20,215.98x = 30,303.18 × 7,733.07
  4. Step 4: Simplify right side
    20,215.98x = 234,336,612.16
  5. Step 5: Solve for x
    x = 234,336,612.16/20,215.98
  6. Step 6: Final answer
    x = 11,591.65

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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.