Home / 13,769.57-19,007.82-9,299.39

Finding the Fourth Proportional to 13,769.57, 19,007.82 and 9,299.39

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Solution

The fourth proportional to 13,769.57, 19,007.82 and 9,299.39 is: 12,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.57 : 19,007.82 = 9,299.39 : x
  2. Step 2: Convert to fraction form
    13,769.57/19,007.82 = 9,299.39/x
  3. Step 3: Cross multiply
    13,769.57x = 19,007.82 × 9,299.39
  4. Step 4: Simplify right side
    13,769.57x = 176,761,036.19
  5. Step 5: Solve for x
    x = 176,761,036.19/13,769.57
  6. Step 6: Final answer
    x = 12,837.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.