Home / 12,351.57-18,528.57-4,558.56

Finding the Fourth Proportional to 12,351.57, 18,528.57 and 4,558.56

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Solution

The fourth proportional to 12,351.57, 18,528.57 and 4,558.56 is: 6,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.57 : 18,528.57 = 4,558.56 : x
  2. Step 2: Convert to fraction form
    12,351.57/18,528.57 = 4,558.56/x
  3. Step 3: Cross multiply
    12,351.57x = 18,528.57 × 4,558.56
  4. Step 4: Simplify right side
    12,351.57x = 84,463,598.06
  5. Step 5: Solve for x
    x = 84,463,598.06/12,351.57
  6. Step 6: Final answer
    x = 6,838.29

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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.