Home / 12,313.38-18,478.17-4,522.26

Finding the Fourth Proportional to 12,313.38, 18,478.17 and 4,522.26

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Solution

The fourth proportional to 12,313.38, 18,478.17 and 4,522.26 is: 6,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.38 : 18,478.17 = 4,522.26 : x
  2. Step 2: Convert to fraction form
    12,313.38/18,478.17 = 4,522.26/x
  3. Step 3: Cross multiply
    12,313.38x = 18,478.17 × 4,522.26
  4. Step 4: Simplify right side
    12,313.38x = 83,563,089.06
  5. Step 5: Solve for x
    x = 83,563,089.06/12,313.38
  6. Step 6: Final answer
    x = 6,786.36

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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.