Home / 14,649.02-20,214.65-8,188.24

Finding the Fourth Proportional to 14,649.02, 20,214.65 and 8,188.24

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Solution

The fourth proportional to 14,649.02, 20,214.65 and 8,188.24 is: 11,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.02 : 20,214.65 = 8,188.24 : x
  2. Step 2: Convert to fraction form
    14,649.02/20,214.65 = 8,188.24/x
  3. Step 3: Cross multiply
    14,649.02x = 20,214.65 × 8,188.24
  4. Step 4: Simplify right side
    14,649.02x = 165,522,263.70
  5. Step 5: Solve for x
    x = 165,522,263.70/14,649.02
  6. Step 6: Final answer
    x = 11,299.20

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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.