Home / 17,812.60-26,711.70-6,119.80

Finding the Fourth Proportional to 17,812.60, 26,711.70 and 6,119.80

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Solution

The fourth proportional to 17,812.60, 26,711.70 and 6,119.80 is: 9,177.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.60 : 26,711.70 = 6,119.80 : x
  2. Step 2: Convert to fraction form
    17,812.60/26,711.70 = 6,119.80/x
  3. Step 3: Cross multiply
    17,812.60x = 26,711.70 × 6,119.80
  4. Step 4: Simplify right side
    17,812.60x = 163,470,261.66
  5. Step 5: Solve for x
    x = 163,470,261.66/17,812.60
  6. Step 6: Final answer
    x = 9,177.23

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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.