Home / 12,529.66-17,270.78-8,495.18

Finding the Fourth Proportional to 12,529.66, 17,270.78 and 8,495.18

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Solution

The fourth proportional to 12,529.66, 17,270.78 and 8,495.18 is: 11,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.66 : 17,270.78 = 8,495.18 : x
  2. Step 2: Convert to fraction form
    12,529.66/17,270.78 = 8,495.18/x
  3. Step 3: Cross multiply
    12,529.66x = 17,270.78 × 8,495.18
  4. Step 4: Simplify right side
    12,529.66x = 146,718,384.84
  5. Step 5: Solve for x
    x = 146,718,384.84/12,529.66
  6. Step 6: Final answer
    x = 11,709.69

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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.