Home / 14,835.02-20,472.23-8,120.60

Finding the Fourth Proportional to 14,835.02, 20,472.23 and 8,120.60

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Solution

The fourth proportional to 14,835.02, 20,472.23 and 8,120.60 is: 11,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.02 : 20,472.23 = 8,120.60 : x
  2. Step 2: Convert to fraction form
    14,835.02/20,472.23 = 8,120.60/x
  3. Step 3: Cross multiply
    14,835.02x = 20,472.23 × 8,120.60
  4. Step 4: Simplify right side
    14,835.02x = 166,246,708.88
  5. Step 5: Solve for x
    x = 166,246,708.88/14,835.02
  6. Step 6: Final answer
    x = 11,206.37

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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.