Home / 13,856.00-20,764.82-12,002.51

Finding the Fourth Proportional to 13,856.00, 20,764.82 and 12,002.51

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Solution

The fourth proportional to 13,856.00, 20,764.82 and 12,002.51 is: 17,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.00 : 20,764.82 = 12,002.51 : x
  2. Step 2: Convert to fraction form
    13,856.00/20,764.82 = 12,002.51/x
  3. Step 3: Cross multiply
    13,856.00x = 20,764.82 × 12,002.51
  4. Step 4: Simplify right side
    13,856.00x = 249,230,041.62
  5. Step 5: Solve for x
    x = 249,230,041.62/13,856.00
  6. Step 6: Final answer
    x = 17,987.16

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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.