Home / 10,261.26-15,362.37-9,192.78

Finding the Fourth Proportional to 10,261.26, 15,362.37 and 9,192.78

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Solution

The fourth proportional to 10,261.26, 15,362.37 and 9,192.78 is: 13,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.26 : 15,362.37 = 9,192.78 : x
  2. Step 2: Convert to fraction form
    10,261.26/15,362.37 = 9,192.78/x
  3. Step 3: Cross multiply
    10,261.26x = 15,362.37 × 9,192.78
  4. Step 4: Simplify right side
    10,261.26x = 141,222,887.69
  5. Step 5: Solve for x
    x = 141,222,887.69/10,261.26
  6. Step 6: Final answer
    x = 13,762.72

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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.