Home / 10,917.72-15,051.20-9,232.37

Finding the Fourth Proportional to 10,917.72, 15,051.20 and 9,232.37

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Solution

The fourth proportional to 10,917.72, 15,051.20 and 9,232.37 is: 12,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.72 : 15,051.20 = 9,232.37 : x
  2. Step 2: Convert to fraction form
    10,917.72/15,051.20 = 9,232.37/x
  3. Step 3: Cross multiply
    10,917.72x = 15,051.20 × 9,232.37
  4. Step 4: Simplify right side
    10,917.72x = 138,958,247.34
  5. Step 5: Solve for x
    x = 138,958,247.34/10,917.72
  6. Step 6: Final answer
    x = 12,727.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.