Home / 14,282.96-19,709.98-7,909.82

Finding the Fourth Proportional to 14,282.96, 19,709.98 and 7,909.82

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Solution

The fourth proportional to 14,282.96, 19,709.98 and 7,909.82 is: 10,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.96 : 19,709.98 = 7,909.82 : x
  2. Step 2: Convert to fraction form
    14,282.96/19,709.98 = 7,909.82/x
  3. Step 3: Cross multiply
    14,282.96x = 19,709.98 × 7,909.82
  4. Step 4: Simplify right side
    14,282.96x = 155,902,423.50
  5. Step 5: Solve for x
    x = 155,902,423.50/14,282.96
  6. Step 6: Final answer
    x = 10,915.28

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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.