Home / 13,837.19-19,090.76-7,866.68

Finding the Fourth Proportional to 13,837.19, 19,090.76 and 7,866.68

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Solution

The fourth proportional to 13,837.19, 19,090.76 and 7,866.68 is: 10,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.19 : 19,090.76 = 7,866.68 : x
  2. Step 2: Convert to fraction form
    13,837.19/19,090.76 = 7,866.68/x
  3. Step 3: Cross multiply
    13,837.19x = 19,090.76 × 7,866.68
  4. Step 4: Simplify right side
    13,837.19x = 150,180,765.09
  5. Step 5: Solve for x
    x = 150,180,765.09/13,837.19
  6. Step 6: Final answer
    x = 10,853.42

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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.