Home / 10,659.19-14,729.24-10,147.07

Finding the Fourth Proportional to 10,659.19, 14,729.24 and 10,147.07

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Solution

The fourth proportional to 10,659.19, 14,729.24 and 10,147.07 is: 14,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.19 : 14,729.24 = 10,147.07 : x
  2. Step 2: Convert to fraction form
    10,659.19/14,729.24 = 10,147.07/x
  3. Step 3: Cross multiply
    10,659.19x = 14,729.24 × 10,147.07
  4. Step 4: Simplify right side
    10,659.19x = 149,458,629.33
  5. Step 5: Solve for x
    x = 149,458,629.33/10,659.19
  6. Step 6: Final answer
    x = 14,021.57

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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.