Home / 12,804.40-19,187.16-6,228.82

Finding the Fourth Proportional to 12,804.40, 19,187.16 and 6,228.82

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Solution

The fourth proportional to 12,804.40, 19,187.16 and 6,228.82 is: 9,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.40 : 19,187.16 = 6,228.82 : x
  2. Step 2: Convert to fraction form
    12,804.40/19,187.16 = 6,228.82/x
  3. Step 3: Cross multiply
    12,804.40x = 19,187.16 × 6,228.82
  4. Step 4: Simplify right side
    12,804.40x = 119,513,365.95
  5. Step 5: Solve for x
    x = 119,513,365.95/12,804.40
  6. Step 6: Final answer
    x = 9,333.77

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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.