Home / 18,964.46-28,446.47-4,923.24

Finding the Fourth Proportional to 18,964.46, 28,446.47 and 4,923.24

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Solution

The fourth proportional to 18,964.46, 28,446.47 and 4,923.24 is: 7,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.46 : 28,446.47 = 4,923.24 : x
  2. Step 2: Convert to fraction form
    18,964.46/28,446.47 = 4,923.24/x
  3. Step 3: Cross multiply
    18,964.46x = 28,446.47 × 4,923.24
  4. Step 4: Simplify right side
    18,964.46x = 140,048,774.35
  5. Step 5: Solve for x
    x = 140,048,774.35/18,964.46
  6. Step 6: Final answer
    x = 7,384.80

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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.