Home / 18,588.90-27,886.59-6,105.45

Finding the Fourth Proportional to 18,588.90, 27,886.59 and 6,105.45

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Solution

The fourth proportional to 18,588.90, 27,886.59 and 6,105.45 is: 9,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.90 : 27,886.59 = 6,105.45 : x
  2. Step 2: Convert to fraction form
    18,588.90/27,886.59 = 6,105.45/x
  3. Step 3: Cross multiply
    18,588.90x = 27,886.59 × 6,105.45
  4. Step 4: Simplify right side
    18,588.90x = 170,260,180.92
  5. Step 5: Solve for x
    x = 170,260,180.92/18,588.90
  6. Step 6: Final answer
    x = 9,159.24

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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.