Home / 12,423.04-18,634.32-5,027.20

Finding the Fourth Proportional to 12,423.04, 18,634.32 and 5,027.20

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Solution

The fourth proportional to 12,423.04, 18,634.32 and 5,027.20 is: 7,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.04 : 18,634.32 = 5,027.20 : x
  2. Step 2: Convert to fraction form
    12,423.04/18,634.32 = 5,027.20/x
  3. Step 3: Cross multiply
    12,423.04x = 18,634.32 × 5,027.20
  4. Step 4: Simplify right side
    12,423.04x = 93,678,453.50
  5. Step 5: Solve for x
    x = 93,678,453.50/12,423.04
  6. Step 6: Final answer
    x = 7,540.70

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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.