Home / 12,822.40-19,235.60-4,056.48

Finding the Fourth Proportional to 12,822.40, 19,235.60 and 4,056.48

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Solution

The fourth proportional to 12,822.40, 19,235.60 and 4,056.48 is: 6,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.40 : 19,235.60 = 4,056.48 : x
  2. Step 2: Convert to fraction form
    12,822.40/19,235.60 = 4,056.48/x
  3. Step 3: Cross multiply
    12,822.40x = 19,235.60 × 4,056.48
  4. Step 4: Simplify right side
    12,822.40x = 78,028,826.69
  5. Step 5: Solve for x
    x = 78,028,826.69/12,822.40
  6. Step 6: Final answer
    x = 6,085.35

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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.