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Finding the Fourth Proportional to 15,000.10, 22,500.15 and 14,271.10

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Solution

The fourth proportional to 15,000.10, 22,500.15 and 14,271.10 is: 21,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.10 : 22,500.15 = 14,271.10 : x
  2. Step 2: Convert to fraction form
    15,000.10/22,500.15 = 14,271.10/x
  3. Step 3: Cross multiply
    15,000.10x = 22,500.15 × 14,271.10
  4. Step 4: Simplify right side
    15,000.10x = 321,101,890.67
  5. Step 5: Solve for x
    x = 321,101,890.67/15,000.10
  6. Step 6: Final answer
    x = 21,406.65

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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.