Home / 16,320.96-22,480.92-12,777.84

Finding the Fourth Proportional to 16,320.96, 22,480.92 and 12,777.84

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Solution

The fourth proportional to 16,320.96, 22,480.92 and 12,777.84 is: 17,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.96 : 22,480.92 = 12,777.84 : x
  2. Step 2: Convert to fraction form
    16,320.96/22,480.92 = 12,777.84/x
  3. Step 3: Cross multiply
    16,320.96x = 22,480.92 × 12,777.84
  4. Step 4: Simplify right side
    16,320.96x = 287,257,598.81
  5. Step 5: Solve for x
    x = 287,257,598.81/16,320.96
  6. Step 6: Final answer
    x = 17,600.53

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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.