Home / 13,217.09-19,804.37-9,042.98

Finding the Fourth Proportional to 13,217.09, 19,804.37 and 9,042.98

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Solution

The fourth proportional to 13,217.09, 19,804.37 and 9,042.98 is: 13,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.09 : 19,804.37 = 9,042.98 : x
  2. Step 2: Convert to fraction form
    13,217.09/19,804.37 = 9,042.98/x
  3. Step 3: Cross multiply
    13,217.09x = 19,804.37 × 9,042.98
  4. Step 4: Simplify right side
    13,217.09x = 179,090,377.59
  5. Step 5: Solve for x
    x = 179,090,377.59/13,217.09
  6. Step 6: Final answer
    x = 13,549.91

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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.