Home / 17,153.28-25,734.18-12,210.66

Finding the Fourth Proportional to 17,153.28, 25,734.18 and 12,210.66

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Solution

The fourth proportional to 17,153.28, 25,734.18 and 12,210.66 is: 18,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.28 : 25,734.18 = 12,210.66 : x
  2. Step 2: Convert to fraction form
    17,153.28/25,734.18 = 12,210.66/x
  3. Step 3: Cross multiply
    17,153.28x = 25,734.18 × 12,210.66
  4. Step 4: Simplify right side
    17,153.28x = 314,231,322.36
  5. Step 5: Solve for x
    x = 314,231,322.36/17,153.28
  6. Step 6: Final answer
    x = 18,319.02

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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.