Home / 12,148.23-18,233.91-5,911.68

Finding the Fourth Proportional to 12,148.23, 18,233.91 and 5,911.68

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Solution

The fourth proportional to 12,148.23, 18,233.91 and 5,911.68 is: 8,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.23 : 18,233.91 = 5,911.68 : x
  2. Step 2: Convert to fraction form
    12,148.23/18,233.91 = 5,911.68/x
  3. Step 3: Cross multiply
    12,148.23x = 18,233.91 × 5,911.68
  4. Step 4: Simplify right side
    12,148.23x = 107,793,041.07
  5. Step 5: Solve for x
    x = 107,793,041.07/12,148.23
  6. Step 6: Final answer
    x = 8,873.15

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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.