Home / 12,356.46-18,528.75-5,777.10

Finding the Fourth Proportional to 12,356.46, 18,528.75 and 5,777.10

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Solution

The fourth proportional to 12,356.46, 18,528.75 and 5,777.10 is: 8,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.46 : 18,528.75 = 5,777.10 : x
  2. Step 2: Convert to fraction form
    12,356.46/18,528.75 = 5,777.10/x
  3. Step 3: Cross multiply
    12,356.46x = 18,528.75 × 5,777.10
  4. Step 4: Simplify right side
    12,356.46x = 107,042,441.63
  5. Step 5: Solve for x
    x = 107,042,441.63/12,356.46
  6. Step 6: Final answer
    x = 8,662.87

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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.