Home / 18,757.08-28,133.46-4,907.16

Finding the Fourth Proportional to 18,757.08, 28,133.46 and 4,907.16

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Solution

The fourth proportional to 18,757.08, 28,133.46 and 4,907.16 is: 7,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.08 : 28,133.46 = 4,907.16 : x
  2. Step 2: Convert to fraction form
    18,757.08/28,133.46 = 4,907.16/x
  3. Step 3: Cross multiply
    18,757.08x = 28,133.46 × 4,907.16
  4. Step 4: Simplify right side
    18,757.08x = 138,055,389.57
  5. Step 5: Solve for x
    x = 138,055,389.57/18,757.08
  6. Step 6: Final answer
    x = 7,360.17

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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.