Home / 18,679.07-28,018.59-6,200.04

Finding the Fourth Proportional to 18,679.07, 28,018.59 and 6,200.04

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Solution

The fourth proportional to 18,679.07, 28,018.59 and 6,200.04 is: 9,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.07 : 28,018.59 = 6,200.04 : x
  2. Step 2: Convert to fraction form
    18,679.07/28,018.59 = 6,200.04/x
  3. Step 3: Cross multiply
    18,679.07x = 28,018.59 × 6,200.04
  4. Step 4: Simplify right side
    18,679.07x = 173,716,460.56
  5. Step 5: Solve for x
    x = 173,716,460.56/18,679.07
  6. Step 6: Final answer
    x = 9,300.06

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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.