Home / 18,857.53-28,285.69-4,817.51

Finding the Fourth Proportional to 18,857.53, 28,285.69 and 4,817.51

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Solution

The fourth proportional to 18,857.53, 28,285.69 and 4,817.51 is: 7,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.53 : 28,285.69 = 4,817.51 : x
  2. Step 2: Convert to fraction form
    18,857.53/28,285.69 = 4,817.51/x
  3. Step 3: Cross multiply
    18,857.53x = 28,285.69 × 4,817.51
  4. Step 4: Simplify right side
    18,857.53x = 136,266,594.43
  5. Step 5: Solve for x
    x = 136,266,594.43/18,857.53
  6. Step 6: Final answer
    x = 7,226.11

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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.