Home / 21,964.20-32,946.30-7,169.55

Finding the Fourth Proportional to 21,964.20, 32,946.30 and 7,169.55

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Solution

The fourth proportional to 21,964.20, 32,946.30 and 7,169.55 is: 10,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.20 : 32,946.30 = 7,169.55 : x
  2. Step 2: Convert to fraction form
    21,964.20/32,946.30 = 7,169.55/x
  3. Step 3: Cross multiply
    21,964.20x = 32,946.30 × 7,169.55
  4. Step 4: Simplify right side
    21,964.20x = 236,210,145.17
  5. Step 5: Solve for x
    x = 236,210,145.17/21,964.20
  6. Step 6: Final answer
    x = 10,754.33

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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.