Home / 18,170.69-27,263.79-7,085.18

Finding the Fourth Proportional to 18,170.69, 27,263.79 and 7,085.18

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Solution

The fourth proportional to 18,170.69, 27,263.79 and 7,085.18 is: 10,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.69 : 27,263.79 = 7,085.18 : x
  2. Step 2: Convert to fraction form
    18,170.69/27,263.79 = 7,085.18/x
  3. Step 3: Cross multiply
    18,170.69x = 27,263.79 × 7,085.18
  4. Step 4: Simplify right side
    18,170.69x = 193,168,927.79
  5. Step 5: Solve for x
    x = 193,168,927.79/18,170.69
  6. Step 6: Final answer
    x = 10,630.80

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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.