Home / 13,045.59-17,998.20-8,571.76

Finding the Fourth Proportional to 13,045.59, 17,998.20 and 8,571.76

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Solution

The fourth proportional to 13,045.59, 17,998.20 and 8,571.76 is: 11,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.59 : 17,998.20 = 8,571.76 : x
  2. Step 2: Convert to fraction form
    13,045.59/17,998.20 = 8,571.76/x
  3. Step 3: Cross multiply
    13,045.59x = 17,998.20 × 8,571.76
  4. Step 4: Simplify right side
    13,045.59x = 154,276,205.84
  5. Step 5: Solve for x
    x = 154,276,205.84/13,045.59
  6. Step 6: Final answer
    x = 11,825.93

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Double scale
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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.