Home / 13,182.92-19,777.53-4,298.21

Finding the Fourth Proportional to 13,182.92, 19,777.53 and 4,298.21

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Solution

The fourth proportional to 13,182.92, 19,777.53 and 4,298.21 is: 6,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.92 : 19,777.53 = 4,298.21 : x
  2. Step 2: Convert to fraction form
    13,182.92/19,777.53 = 4,298.21/x
  3. Step 3: Cross multiply
    13,182.92x = 19,777.53 × 4,298.21
  4. Step 4: Simplify right side
    13,182.92x = 85,007,977.22
  5. Step 5: Solve for x
    x = 85,007,977.22/13,182.92
  6. Step 6: Final answer
    x = 6,448.34

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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.