Home / 16,507.79-22,777.25-9,795.60

Finding the Fourth Proportional to 16,507.79, 22,777.25 and 9,795.60

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Solution

The fourth proportional to 16,507.79, 22,777.25 and 9,795.60 is: 13,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507.79 : 22,777.25 = 9,795.60 : x
  2. Step 2: Convert to fraction form
    16,507.79/22,777.25 = 9,795.60/x
  3. Step 3: Cross multiply
    16,507.79x = 22,777.25 × 9,795.60
  4. Step 4: Simplify right side
    16,507.79x = 223,116,781.12
  5. Step 5: Solve for x
    x = 223,116,781.12/16,507.79
  6. Step 6: Final answer
    x = 13,515.85

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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.