Home / 15,783.23-23,677.11-5,249.79

Finding the Fourth Proportional to 15,783.23, 23,677.11 and 5,249.79

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Solution

The fourth proportional to 15,783.23, 23,677.11 and 5,249.79 is: 7,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.23 : 23,677.11 = 5,249.79 : x
  2. Step 2: Convert to fraction form
    15,783.23/23,677.11 = 5,249.79/x
  3. Step 3: Cross multiply
    15,783.23x = 23,677.11 × 5,249.79
  4. Step 4: Simplify right side
    15,783.23x = 124,299,855.31
  5. Step 5: Solve for x
    x = 124,299,855.31/15,783.23
  6. Step 6: Final answer
    x = 7,875.44

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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.