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Finding the Fourth Proportional to 15,000.60, 22,500.90 and 13,907.10

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Solution

The fourth proportional to 15,000.60, 22,500.90 and 13,907.10 is: 20,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.60 : 22,500.90 = 13,907.10 : x
  2. Step 2: Convert to fraction form
    15,000.60/22,500.90 = 13,907.10/x
  3. Step 3: Cross multiply
    15,000.60x = 22,500.90 × 13,907.10
  4. Step 4: Simplify right side
    15,000.60x = 312,922,266.39
  5. Step 5: Solve for x
    x = 312,922,266.39/15,000.60
  6. Step 6: Final answer
    x = 20,860.65

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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.