Home / 12,208.99-18,316.25-4,417.81

Finding the Fourth Proportional to 12,208.99, 18,316.25 and 4,417.81

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Solution

The fourth proportional to 12,208.99, 18,316.25 and 4,417.81 is: 6,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.99 : 18,316.25 = 4,417.81 : x
  2. Step 2: Convert to fraction form
    12,208.99/18,316.25 = 4,417.81/x
  3. Step 3: Cross multiply
    12,208.99x = 18,316.25 × 4,417.81
  4. Step 4: Simplify right side
    12,208.99x = 80,917,712.41
  5. Step 5: Solve for x
    x = 80,917,712.41/12,208.99
  6. Step 6: Final answer
    x = 6,627.72

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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.