Home / 14,729.02-20,327.16-8,442.34

Finding the Fourth Proportional to 14,729.02, 20,327.16 and 8,442.34

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Solution

The fourth proportional to 14,729.02, 20,327.16 and 8,442.34 is: 11,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.02 : 20,327.16 = 8,442.34 : x
  2. Step 2: Convert to fraction form
    14,729.02/20,327.16 = 8,442.34/x
  3. Step 3: Cross multiply
    14,729.02x = 20,327.16 × 8,442.34
  4. Step 4: Simplify right side
    14,729.02x = 171,608,795.95
  5. Step 5: Solve for x
    x = 171,608,795.95/14,729.02
  6. Step 6: Final answer
    x = 11,651.07

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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.