Home / 17,220.90-25,832.16-6,127.68

Finding the Fourth Proportional to 17,220.90, 25,832.16 and 6,127.68

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Solution

The fourth proportional to 17,220.90, 25,832.16 and 6,127.68 is: 9,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.90 : 25,832.16 = 6,127.68 : x
  2. Step 2: Convert to fraction form
    17,220.90/25,832.16 = 6,127.68/x
  3. Step 3: Cross multiply
    17,220.90x = 25,832.16 × 6,127.68
  4. Step 4: Simplify right side
    17,220.90x = 158,291,210.19
  5. Step 5: Solve for x
    x = 158,291,210.19/17,220.90
  6. Step 6: Final answer
    x = 9,191.81

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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.