Home / 13,648.96-20,435.42-6,971.00

Finding the Fourth Proportional to 13,648.96, 20,435.42 and 6,971.00

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Solution

The fourth proportional to 13,648.96, 20,435.42 and 6,971.00 is: 10,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.96 : 20,435.42 = 6,971.00 : x
  2. Step 2: Convert to fraction form
    13,648.96/20,435.42 = 6,971.00/x
  3. Step 3: Cross multiply
    13,648.96x = 20,435.42 × 6,971.00
  4. Step 4: Simplify right side
    13,648.96x = 142,455,175.79
  5. Step 5: Solve for x
    x = 142,455,175.79/13,648.96
  6. Step 6: Final answer
    x = 10,437.08

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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.