Home / 12,922.48-19,391.92-5,533.15

Finding the Fourth Proportional to 12,922.48, 19,391.92 and 5,533.15

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Solution

The fourth proportional to 12,922.48, 19,391.92 and 5,533.15 is: 8,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.48 : 19,391.92 = 5,533.15 : x
  2. Step 2: Convert to fraction form
    12,922.48/19,391.92 = 5,533.15/x
  3. Step 3: Cross multiply
    12,922.48x = 19,391.92 × 5,533.15
  4. Step 4: Simplify right side
    12,922.48x = 107,298,374.48
  5. Step 5: Solve for x
    x = 107,298,374.48/12,922.48
  6. Step 6: Final answer
    x = 8,303.24

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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.