Home / 19,361.26-26,718.52-10,977.76

Finding the Fourth Proportional to 19,361.26, 26,718.52 and 10,977.76

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Solution

The fourth proportional to 19,361.26, 26,718.52 and 10,977.76 is: 15,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.26 : 26,718.52 = 10,977.76 : x
  2. Step 2: Convert to fraction form
    19,361.26/26,718.52 = 10,977.76/x
  3. Step 3: Cross multiply
    19,361.26x = 26,718.52 × 10,977.76
  4. Step 4: Simplify right side
    19,361.26x = 293,309,500.12
  5. Step 5: Solve for x
    x = 293,309,500.12/19,361.26
  6. Step 6: Final answer
    x = 15,149.30

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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.