Home / 12,243.05-18,357.27-8,299.16

Finding the Fourth Proportional to 12,243.05, 18,357.27 and 8,299.16

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Solution

The fourth proportional to 12,243.05, 18,357.27 and 8,299.16 is: 12,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.05 : 18,357.27 = 8,299.16 : x
  2. Step 2: Convert to fraction form
    12,243.05/18,357.27 = 8,299.16/x
  3. Step 3: Cross multiply
    12,243.05x = 18,357.27 × 8,299.16
  4. Step 4: Simplify right side
    12,243.05x = 152,349,829.11
  5. Step 5: Solve for x
    x = 152,349,829.11/12,243.05
  6. Step 6: Final answer
    x = 12,443.79

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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.