Home / 14,701.60-20,289.25-8,328.18

Finding the Fourth Proportional to 14,701.60, 20,289.25 and 8,328.18

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Solution

The fourth proportional to 14,701.60, 20,289.25 and 8,328.18 is: 11,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.60 : 20,289.25 = 8,328.18 : x
  2. Step 2: Convert to fraction form
    14,701.60/20,289.25 = 8,328.18/x
  3. Step 3: Cross multiply
    14,701.60x = 20,289.25 × 8,328.18
  4. Step 4: Simplify right side
    14,701.60x = 168,972,612.56
  5. Step 5: Solve for x
    x = 168,972,612.56/14,701.60
  6. Step 6: Final answer
    x = 11,493.48

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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.