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Finding the Fourth Proportional to 15,777.66, 23,654.02 and 7,876.12

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Solution

The fourth proportional to 15,777.66, 23,654.02 and 7,876.12 is: 11,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777.66 : 23,654.02 = 7,876.12 : x
  2. Step 2: Convert to fraction form
    15,777.66/23,654.02 = 7,876.12/x
  3. Step 3: Cross multiply
    15,777.66x = 23,654.02 × 7,876.12
  4. Step 4: Simplify right side
    15,777.66x = 186,301,900.00
  5. Step 5: Solve for x
    x = 186,301,900.00/15,777.66
  6. Step 6: Final answer
    x = 11,807.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.