Home / 13,272.64-19,910.72-10,158.56

Finding the Fourth Proportional to 13,272.64, 19,910.72 and 10,158.56

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Solution

The fourth proportional to 13,272.64, 19,910.72 and 10,158.56 is: 15,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.64 : 19,910.72 = 10,158.56 : x
  2. Step 2: Convert to fraction form
    13,272.64/19,910.72 = 10,158.56/x
  3. Step 3: Cross multiply
    13,272.64x = 19,910.72 × 10,158.56
  4. Step 4: Simplify right side
    13,272.64x = 202,264,243.76
  5. Step 5: Solve for x
    x = 202,264,243.76/13,272.64
  6. Step 6: Final answer
    x = 15,239.19

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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.