Home / 14,558.29-20,089.97-8,185.15

Finding the Fourth Proportional to 14,558.29, 20,089.97 and 8,185.15

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Solution

The fourth proportional to 14,558.29, 20,089.97 and 8,185.15 is: 11,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.29 : 20,089.97 = 8,185.15 : x
  2. Step 2: Convert to fraction form
    14,558.29/20,089.97 = 8,185.15/x
  3. Step 3: Cross multiply
    14,558.29x = 20,089.97 × 8,185.15
  4. Step 4: Simplify right side
    14,558.29x = 164,439,417.95
  5. Step 5: Solve for x
    x = 164,439,417.95/14,558.29
  6. Step 6: Final answer
    x = 11,295.25

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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.