Home / 18,515.34-27,767.34-7,416.18

Finding the Fourth Proportional to 18,515.34, 27,767.34 and 7,416.18

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Solution

The fourth proportional to 18,515.34, 27,767.34 and 7,416.18 is: 11,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.34 : 27,767.34 = 7,416.18 : x
  2. Step 2: Convert to fraction form
    18,515.34/27,767.34 = 7,416.18/x
  3. Step 3: Cross multiply
    18,515.34x = 27,767.34 × 7,416.18
  4. Step 4: Simplify right side
    18,515.34x = 205,927,591.56
  5. Step 5: Solve for x
    x = 205,927,591.56/18,515.34
  6. Step 6: Final answer
    x = 11,122.00

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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.