Home / 18,697.11-28,045.43-4,657.26

Finding the Fourth Proportional to 18,697.11, 28,045.43 and 4,657.26

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Solution

The fourth proportional to 18,697.11, 28,045.43 and 4,657.26 is: 6,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.11 : 28,045.43 = 4,657.26 : x
  2. Step 2: Convert to fraction form
    18,697.11/28,045.43 = 4,657.26/x
  3. Step 3: Cross multiply
    18,697.11x = 28,045.43 × 4,657.26
  4. Step 4: Simplify right side
    18,697.11x = 130,614,859.32
  5. Step 5: Solve for x
    x = 130,614,859.32/18,697.11
  6. Step 6: Final answer
    x = 6,985.83

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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.