Home / 18,714.14-28,065.12-6,230.81

Finding the Fourth Proportional to 18,714.14, 28,065.12 and 6,230.81

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Solution

The fourth proportional to 18,714.14, 28,065.12 and 6,230.81 is: 9,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.14 : 28,065.12 = 6,230.81 : x
  2. Step 2: Convert to fraction form
    18,714.14/28,065.12 = 6,230.81/x
  3. Step 3: Cross multiply
    18,714.14x = 28,065.12 × 6,230.81
  4. Step 4: Simplify right side
    18,714.14x = 174,868,430.35
  5. Step 5: Solve for x
    x = 174,868,430.35/18,714.14
  6. Step 6: Final answer
    x = 9,344.19

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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.