Home / 13,964.35-20,953.61-9,287.61

Finding the Fourth Proportional to 13,964.35, 20,953.61 and 9,287.61

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Solution

The fourth proportional to 13,964.35, 20,953.61 and 9,287.61 is: 13,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.35 : 20,953.61 = 9,287.61 : x
  2. Step 2: Convert to fraction form
    13,964.35/20,953.61 = 9,287.61/x
  3. Step 3: Cross multiply
    13,964.35x = 20,953.61 × 9,287.61
  4. Step 4: Simplify right side
    13,964.35x = 194,608,957.77
  5. Step 5: Solve for x
    x = 194,608,957.77/13,964.35
  6. Step 6: Final answer
    x = 13,936.13

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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.