Home / 19,701.12-29,465.28-17,143.68

Finding the Fourth Proportional to 19,701.12, 29,465.28 and 17,143.68

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Solution

The fourth proportional to 19,701.12, 29,465.28 and 17,143.68 is: 25,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.12 : 29,465.28 = 17,143.68 : x
  2. Step 2: Convert to fraction form
    19,701.12/29,465.28 = 17,143.68/x
  3. Step 3: Cross multiply
    19,701.12x = 29,465.28 × 17,143.68
  4. Step 4: Simplify right side
    19,701.12x = 505,143,331.43
  5. Step 5: Solve for x
    x = 505,143,331.43/19,701.12
  6. Step 6: Final answer
    x = 25,640.34

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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.