Home / 15,009.50-22,507.18-8,771.31

Finding the Fourth Proportional to 15,009.50, 22,507.18 and 8,771.31

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Solution

The fourth proportional to 15,009.50, 22,507.18 and 8,771.31 is: 13,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.50 : 22,507.18 = 8,771.31 : x
  2. Step 2: Convert to fraction form
    15,009.50/22,507.18 = 8,771.31/x
  3. Step 3: Cross multiply
    15,009.50x = 22,507.18 × 8,771.31
  4. Step 4: Simplify right side
    15,009.50x = 197,417,453.01
  5. Step 5: Solve for x
    x = 197,417,453.01/15,009.50
  6. Step 6: Final answer
    x = 13,152.83

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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.