Home / 12,661.29-19,077.64-10,518.03

Finding the Fourth Proportional to 12,661.29, 19,077.64 and 10,518.03

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Solution

The fourth proportional to 12,661.29, 19,077.64 and 10,518.03 is: 15,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.29 : 19,077.64 = 10,518.03 : x
  2. Step 2: Convert to fraction form
    12,661.29/19,077.64 = 10,518.03/x
  3. Step 3: Cross multiply
    12,661.29x = 19,077.64 × 10,518.03
  4. Step 4: Simplify right side
    12,661.29x = 200,659,163.55
  5. Step 5: Solve for x
    x = 200,659,163.55/12,661.29
  6. Step 6: Final answer
    x = 15,848.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.