Home / 18,435.84-27,635.76-8,581.92

Finding the Fourth Proportional to 18,435.84, 27,635.76 and 8,581.92

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Solution

The fourth proportional to 18,435.84, 27,635.76 and 8,581.92 is: 12,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.84 : 27,635.76 = 8,581.92 : x
  2. Step 2: Convert to fraction form
    18,435.84/27,635.76 = 8,581.92/x
  3. Step 3: Cross multiply
    18,435.84x = 27,635.76 × 8,581.92
  4. Step 4: Simplify right side
    18,435.84x = 237,167,881.46
  5. Step 5: Solve for x
    x = 237,167,881.46/18,435.84
  6. Step 6: Final answer
    x = 12,864.50

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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.