Home / 13,131.22-19,667.89-10,853.89

Finding the Fourth Proportional to 13,131.22, 19,667.89 and 10,853.89

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Solution

The fourth proportional to 13,131.22, 19,667.89 and 10,853.89 is: 16,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.22 : 19,667.89 = 10,853.89 : x
  2. Step 2: Convert to fraction form
    13,131.22/19,667.89 = 10,853.89/x
  3. Step 3: Cross multiply
    13,131.22x = 19,667.89 × 10,853.89
  4. Step 4: Simplify right side
    13,131.22x = 213,473,038.29
  5. Step 5: Solve for x
    x = 213,473,038.29/13,131.22
  6. Step 6: Final answer
    x = 16,256.91

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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.