Home / 17,319.08-25,981.86-5,635.64

Finding the Fourth Proportional to 17,319.08, 25,981.86 and 5,635.64

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Solution

The fourth proportional to 17,319.08, 25,981.86 and 5,635.64 is: 8,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.08 : 25,981.86 = 5,635.64 : x
  2. Step 2: Convert to fraction form
    17,319.08/25,981.86 = 5,635.64/x
  3. Step 3: Cross multiply
    17,319.08x = 25,981.86 × 5,635.64
  4. Step 4: Simplify right side
    17,319.08x = 146,424,409.49
  5. Step 5: Solve for x
    x = 146,424,409.49/17,319.08
  6. Step 6: Final answer
    x = 8,454.51

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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.