Home / 14,342.19-21,497.90-6,936.46

Finding the Fourth Proportional to 14,342.19, 21,497.90 and 6,936.46

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Solution

The fourth proportional to 14,342.19, 21,497.90 and 6,936.46 is: 10,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.19 : 21,497.90 = 6,936.46 : x
  2. Step 2: Convert to fraction form
    14,342.19/21,497.90 = 6,936.46/x
  3. Step 3: Cross multiply
    14,342.19x = 21,497.90 × 6,936.46
  4. Step 4: Simplify right side
    14,342.19x = 149,119,374.15
  5. Step 5: Solve for x
    x = 149,119,374.15/14,342.19
  6. Step 6: Final answer
    x = 10,397.25

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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.