Home / 20,840.95-31,264.67-6,797.70

Finding the Fourth Proportional to 20,840.95, 31,264.67 and 6,797.70

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Solution

The fourth proportional to 20,840.95, 31,264.67 and 6,797.70 is: 10,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.95 : 31,264.67 = 6,797.70 : x
  2. Step 2: Convert to fraction form
    20,840.95/31,264.67 = 6,797.70/x
  3. Step 3: Cross multiply
    20,840.95x = 31,264.67 × 6,797.70
  4. Step 4: Simplify right side
    20,840.95x = 212,527,956.00
  5. Step 5: Solve for x
    x = 212,527,956.00/20,840.95
  6. Step 6: Final answer
    x = 10,197.61

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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.