Home / 13,567.46-18,719.33-8,258.49

Finding the Fourth Proportional to 13,567.46, 18,719.33 and 8,258.49

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Solution

The fourth proportional to 13,567.46, 18,719.33 and 8,258.49 is: 11,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.46 : 18,719.33 = 8,258.49 : x
  2. Step 2: Convert to fraction form
    13,567.46/18,719.33 = 8,258.49/x
  3. Step 3: Cross multiply
    13,567.46x = 18,719.33 × 8,258.49
  4. Step 4: Simplify right side
    13,567.46x = 154,593,358.32
  5. Step 5: Solve for x
    x = 154,593,358.32/13,567.46
  6. Step 6: Final answer
    x = 11,394.43

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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.