Home / 17,117.10-25,639.86-13,767.24

Finding the Fourth Proportional to 17,117.10, 25,639.86 and 13,767.24

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Solution

The fourth proportional to 17,117.10, 25,639.86 and 13,767.24 is: 20,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.10 : 25,639.86 = 13,767.24 : x
  2. Step 2: Convert to fraction form
    17,117.10/25,639.86 = 13,767.24/x
  3. Step 3: Cross multiply
    17,117.10x = 25,639.86 × 13,767.24
  4. Step 4: Simplify right side
    17,117.10x = 352,990,106.19
  5. Step 5: Solve for x
    x = 352,990,106.19/17,117.10
  6. Step 6: Final answer
    x = 20,622.07

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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.