Home / 12,501.09-18,752.85-4,179.15

Finding the Fourth Proportional to 12,501.09, 18,752.85 and 4,179.15

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Solution

The fourth proportional to 12,501.09, 18,752.85 and 4,179.15 is: 6,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.09 : 18,752.85 = 4,179.15 : x
  2. Step 2: Convert to fraction form
    12,501.09/18,752.85 = 4,179.15/x
  3. Step 3: Cross multiply
    12,501.09x = 18,752.85 × 4,179.15
  4. Step 4: Simplify right side
    12,501.09x = 78,370,973.08
  5. Step 5: Solve for x
    x = 78,370,973.08/12,501.09
  6. Step 6: Final answer
    x = 6,269.13

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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.