Home / 23,783.14-35,678.80-7,989.68

Finding the Fourth Proportional to 23,783.14, 35,678.80 and 7,989.68

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Solution

The fourth proportional to 23,783.14, 35,678.80 and 7,989.68 is: 11,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,783.14 : 35,678.80 = 7,989.68 : x
  2. Step 2: Convert to fraction form
    23,783.14/35,678.80 = 7,989.68/x
  3. Step 3: Cross multiply
    23,783.14x = 35,678.80 × 7,989.68
  4. Step 4: Simplify right side
    23,783.14x = 285,062,216.09
  5. Step 5: Solve for x
    x = 285,062,216.09/23,783.14
  6. Step 6: Final answer
    x = 11,985.90

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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.