Home / 16,505.47-22,777.15-9,431.44

Finding the Fourth Proportional to 16,505.47, 22,777.15 and 9,431.44

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Solution

The fourth proportional to 16,505.47, 22,777.15 and 9,431.44 is: 13,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.47 : 22,777.15 = 9,431.44 : x
  2. Step 2: Convert to fraction form
    16,505.47/22,777.15 = 9,431.44/x
  3. Step 3: Cross multiply
    16,505.47x = 22,777.15 × 9,431.44
  4. Step 4: Simplify right side
    16,505.47x = 214,821,260.76
  5. Step 5: Solve for x
    x = 214,821,260.76/16,505.47
  6. Step 6: Final answer
    x = 13,015.15

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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.