Home / 14,180.50-21,263.60-8,259.30

Finding the Fourth Proportional to 14,180.50, 21,263.60 and 8,259.30

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Solution

The fourth proportional to 14,180.50, 21,263.60 and 8,259.30 is: 12,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.50 : 21,263.60 = 8,259.30 : x
  2. Step 2: Convert to fraction form
    14,180.50/21,263.60 = 8,259.30/x
  3. Step 3: Cross multiply
    14,180.50x = 21,263.60 × 8,259.30
  4. Step 4: Simplify right side
    14,180.50x = 175,622,451.48
  5. Step 5: Solve for x
    x = 175,622,451.48/14,180.50
  6. Step 6: Final answer
    x = 12,384.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.