Home / 18,907.28-28,354.84-6,254.22

Finding the Fourth Proportional to 18,907.28, 28,354.84 and 6,254.22

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Solution

The fourth proportional to 18,907.28, 28,354.84 and 6,254.22 is: 9,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907.28 : 28,354.84 = 6,254.22 : x
  2. Step 2: Convert to fraction form
    18,907.28/28,354.84 = 6,254.22/x
  3. Step 3: Cross multiply
    18,907.28x = 28,354.84 × 6,254.22
  4. Step 4: Simplify right side
    18,907.28x = 177,337,498.12
  5. Step 5: Solve for x
    x = 177,337,498.12/18,907.28
  6. Step 6: Final answer
    x = 9,379.32

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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.