Home / 13,394.58-18,476.28-8,857.23

Finding the Fourth Proportional to 13,394.58, 18,476.28 and 8,857.23

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Solution

The fourth proportional to 13,394.58, 18,476.28 and 8,857.23 is: 12,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.58 : 18,476.28 = 8,857.23 : x
  2. Step 2: Convert to fraction form
    13,394.58/18,476.28 = 8,857.23/x
  3. Step 3: Cross multiply
    13,394.58x = 18,476.28 × 8,857.23
  4. Step 4: Simplify right side
    13,394.58x = 163,648,661.50
  5. Step 5: Solve for x
    x = 163,648,661.50/13,394.58
  6. Step 6: Final answer
    x = 12,217.53

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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.