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Finding the Fourth Proportional to 15,000.01, 22,500.12 and 5,139.37

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Solution

The fourth proportional to 15,000.01, 22,500.12 and 5,139.37 is: 7,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.01 : 22,500.12 = 5,139.37 : x
  2. Step 2: Convert to fraction form
    15,000.01/22,500.12 = 5,139.37/x
  3. Step 3: Cross multiply
    15,000.01x = 22,500.12 × 5,139.37
  4. Step 4: Simplify right side
    15,000.01x = 115,636,329.22
  5. Step 5: Solve for x
    x = 115,636,329.22/15,000.01
  6. Step 6: Final answer
    x = 7,709.09

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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.