Home / 14,345.40-19,796.25-7,971.83

Finding the Fourth Proportional to 14,345.40, 19,796.25 and 7,971.83

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Solution

The fourth proportional to 14,345.40, 19,796.25 and 7,971.83 is: 11,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.40 : 19,796.25 = 7,971.83 : x
  2. Step 2: Convert to fraction form
    14,345.40/19,796.25 = 7,971.83/x
  3. Step 3: Cross multiply
    14,345.40x = 19,796.25 × 7,971.83
  4. Step 4: Simplify right side
    14,345.40x = 157,812,344.79
  5. Step 5: Solve for x
    x = 157,812,344.79/14,345.40
  6. Step 6: Final answer
    x = 11,000.90

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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.