Home / 14,863.35-20,508.80-8,487.03

Finding the Fourth Proportional to 14,863.35, 20,508.80 and 8,487.03

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Solution

The fourth proportional to 14,863.35, 20,508.80 and 8,487.03 is: 11,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.35 : 20,508.80 = 8,487.03 : x
  2. Step 2: Convert to fraction form
    14,863.35/20,508.80 = 8,487.03/x
  3. Step 3: Cross multiply
    14,863.35x = 20,508.80 × 8,487.03
  4. Step 4: Simplify right side
    14,863.35x = 174,058,719.97
  5. Step 5: Solve for x
    x = 174,058,719.97/14,863.35
  6. Step 6: Final answer
    x = 11,710.60

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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.