Home / 15,133.68-20,884.77-8,849.70

Finding the Fourth Proportional to 15,133.68, 20,884.77 and 8,849.70

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Solution

The fourth proportional to 15,133.68, 20,884.77 and 8,849.70 is: 12,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.68 : 20,884.77 = 8,849.70 : x
  2. Step 2: Convert to fraction form
    15,133.68/20,884.77 = 8,849.70/x
  3. Step 3: Cross multiply
    15,133.68x = 20,884.77 × 8,849.70
  4. Step 4: Simplify right side
    15,133.68x = 184,823,949.07
  5. Step 5: Solve for x
    x = 184,823,949.07/15,133.68
  6. Step 6: Final answer
    x = 12,212.76

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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.