Home / 18,458.13-27,687.59-6,612.67

Finding the Fourth Proportional to 18,458.13, 27,687.59 and 6,612.67

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Solution

The fourth proportional to 18,458.13, 27,687.59 and 6,612.67 is: 9,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.13 : 27,687.59 = 6,612.67 : x
  2. Step 2: Convert to fraction form
    18,458.13/27,687.59 = 6,612.67/x
  3. Step 3: Cross multiply
    18,458.13x = 27,687.59 × 6,612.67
  4. Step 4: Simplify right side
    18,458.13x = 183,088,897.31
  5. Step 5: Solve for x
    x = 183,088,897.31/18,458.13
  6. Step 6: Final answer
    x = 9,919.15

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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.