Home / 18,088.40-27,174.17-12,836.36

Finding the Fourth Proportional to 18,088.40, 27,174.17 and 12,836.36

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Solution

The fourth proportional to 18,088.40, 27,174.17 and 12,836.36 is: 19,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.40 : 27,174.17 = 12,836.36 : x
  2. Step 2: Convert to fraction form
    18,088.40/27,174.17 = 12,836.36/x
  3. Step 3: Cross multiply
    18,088.40x = 27,174.17 × 12,836.36
  4. Step 4: Simplify right side
    18,088.40x = 348,817,428.82
  5. Step 5: Solve for x
    x = 348,817,428.82/18,088.40
  6. Step 6: Final answer
    x = 19,284.04

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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.