Home / 12,207.48-18,309.60-3,443.10

Finding the Fourth Proportional to 12,207.48, 18,309.60 and 3,443.10

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Solution

The fourth proportional to 12,207.48, 18,309.60 and 3,443.10 is: 5,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.48 : 18,309.60 = 3,443.10 : x
  2. Step 2: Convert to fraction form
    12,207.48/18,309.60 = 3,443.10/x
  3. Step 3: Cross multiply
    12,207.48x = 18,309.60 × 3,443.10
  4. Step 4: Simplify right side
    12,207.48x = 63,041,783.76
  5. Step 5: Solve for x
    x = 63,041,783.76/12,207.48
  6. Step 6: Final answer
    x = 5,164.19

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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.