Home / 18,689.18-28,031.94-7,596.53

Finding the Fourth Proportional to 18,689.18, 28,031.94 and 7,596.53

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Solution

The fourth proportional to 18,689.18, 28,031.94 and 7,596.53 is: 11,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689.18 : 28,031.94 = 7,596.53 : x
  2. Step 2: Convert to fraction form
    18,689.18/28,031.94 = 7,596.53/x
  3. Step 3: Cross multiply
    18,689.18x = 28,031.94 × 7,596.53
  4. Step 4: Simplify right side
    18,689.18x = 212,945,333.01
  5. Step 5: Solve for x
    x = 212,945,333.01/18,689.18
  6. Step 6: Final answer
    x = 11,394.05

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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.