Home / 12,237.77-18,358.07-4,448.40

Finding the Fourth Proportional to 12,237.77, 18,358.07 and 4,448.40

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Solution

The fourth proportional to 12,237.77, 18,358.07 and 4,448.40 is: 6,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.77 : 18,358.07 = 4,448.40 : x
  2. Step 2: Convert to fraction form
    12,237.77/18,358.07 = 4,448.40/x
  3. Step 3: Cross multiply
    12,237.77x = 18,358.07 × 4,448.40
  4. Step 4: Simplify right side
    12,237.77x = 81,664,016.35
  5. Step 5: Solve for x
    x = 81,664,016.35/12,237.77
  6. Step 6: Final answer
    x = 6,673.12

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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.