Home / 15,108.20-22,662.30-9,268.10

Finding the Fourth Proportional to 15,108.20, 22,662.30 and 9,268.10

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Solution

The fourth proportional to 15,108.20, 22,662.30 and 9,268.10 is: 13,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.20 : 22,662.30 = 9,268.10 : x
  2. Step 2: Convert to fraction form
    15,108.20/22,662.30 = 9,268.10/x
  3. Step 3: Cross multiply
    15,108.20x = 22,662.30 × 9,268.10
  4. Step 4: Simplify right side
    15,108.20x = 210,036,462.63
  5. Step 5: Solve for x
    x = 210,036,462.63/15,108.20
  6. Step 6: Final answer
    x = 13,902.15

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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.