Home / 17,816.80-26,718.90-6,127.30

Finding the Fourth Proportional to 17,816.80, 26,718.90 and 6,127.30

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Solution

The fourth proportional to 17,816.80, 26,718.90 and 6,127.30 is: 9,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.80 : 26,718.90 = 6,127.30 : x
  2. Step 2: Convert to fraction form
    17,816.80/26,718.90 = 6,127.30/x
  3. Step 3: Cross multiply
    17,816.80x = 26,718.90 × 6,127.30
  4. Step 4: Simplify right side
    17,816.80x = 163,714,715.97
  5. Step 5: Solve for x
    x = 163,714,715.97/17,816.80
  6. Step 6: Final answer
    x = 9,188.78

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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.