Home / 21,800.58-32,714.67-9,320.70

Finding the Fourth Proportional to 21,800.58, 32,714.67 and 9,320.70

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Solution

The fourth proportional to 21,800.58, 32,714.67 and 9,320.70 is: 13,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.58 : 32,714.67 = 9,320.70 : x
  2. Step 2: Convert to fraction form
    21,800.58/32,714.67 = 9,320.70/x
  3. Step 3: Cross multiply
    21,800.58x = 32,714.67 × 9,320.70
  4. Step 4: Simplify right side
    21,800.58x = 304,923,624.67
  5. Step 5: Solve for x
    x = 304,923,624.67/21,800.58
  6. Step 6: Final answer
    x = 13,986.95

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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.