Home / 17,628.74-26,435.34-8,261.20

Finding the Fourth Proportional to 17,628.74, 26,435.34 and 8,261.20

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Solution

The fourth proportional to 17,628.74, 26,435.34 and 8,261.20 is: 12,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.74 : 26,435.34 = 8,261.20 : x
  2. Step 2: Convert to fraction form
    17,628.74/26,435.34 = 8,261.20/x
  3. Step 3: Cross multiply
    17,628.74x = 26,435.34 × 8,261.20
  4. Step 4: Simplify right side
    17,628.74x = 218,387,630.81
  5. Step 5: Solve for x
    x = 218,387,630.81/17,628.74
  6. Step 6: Final answer
    x = 12,388.16

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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.