Home / 13,009.56-17,961.36-10,019.76

Finding the Fourth Proportional to 13,009.56, 17,961.36 and 10,019.76

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Solution

The fourth proportional to 13,009.56, 17,961.36 and 10,019.76 is: 13,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.56 : 17,961.36 = 10,019.76 : x
  2. Step 2: Convert to fraction form
    13,009.56/17,961.36 = 10,019.76/x
  3. Step 3: Cross multiply
    13,009.56x = 17,961.36 × 10,019.76
  4. Step 4: Simplify right side
    13,009.56x = 179,968,516.47
  5. Step 5: Solve for x
    x = 179,968,516.47/13,009.56
  6. Step 6: Final answer
    x = 13,833.56

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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.