Home / 13,706.58-18,895.28-8,982.66

Finding the Fourth Proportional to 13,706.58, 18,895.28 and 8,982.66

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Solution

The fourth proportional to 13,706.58, 18,895.28 and 8,982.66 is: 12,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.58 : 18,895.28 = 8,982.66 : x
  2. Step 2: Convert to fraction form
    13,706.58/18,895.28 = 8,982.66/x
  3. Step 3: Cross multiply
    13,706.58x = 18,895.28 × 8,982.66
  4. Step 4: Simplify right side
    13,706.58x = 169,729,875.84
  5. Step 5: Solve for x
    x = 169,729,875.84/13,706.58
  6. Step 6: Final answer
    x = 12,383.09

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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.