Home / 14,648.55-20,216.24-8,276.31

Finding the Fourth Proportional to 14,648.55, 20,216.24 and 8,276.31

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Solution

The fourth proportional to 14,648.55, 20,216.24 and 8,276.31 is: 11,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.55 : 20,216.24 = 8,276.31 : x
  2. Step 2: Convert to fraction form
    14,648.55/20,216.24 = 8,276.31/x
  3. Step 3: Cross multiply
    14,648.55x = 20,216.24 × 8,276.31
  4. Step 4: Simplify right side
    14,648.55x = 167,315,889.97
  5. Step 5: Solve for x
    x = 167,315,889.97/14,648.55
  6. Step 6: Final answer
    x = 11,422.01

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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.