Home / 19,154.88-26,433.12-10,772.16

Finding the Fourth Proportional to 19,154.88, 26,433.12 and 10,772.16

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Solution

The fourth proportional to 19,154.88, 26,433.12 and 10,772.16 is: 14,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.88 : 26,433.12 = 10,772.16 : x
  2. Step 2: Convert to fraction form
    19,154.88/26,433.12 = 10,772.16/x
  3. Step 3: Cross multiply
    19,154.88x = 26,433.12 × 10,772.16
  4. Step 4: Simplify right side
    19,154.88x = 284,741,797.94
  5. Step 5: Solve for x
    x = 284,741,797.94/19,154.88
  6. Step 6: Final answer
    x = 14,865.24

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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.