Home / 14,156.16-21,234.40-4,295.36

Finding the Fourth Proportional to 14,156.16, 21,234.40 and 4,295.36

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Solution

The fourth proportional to 14,156.16, 21,234.40 and 4,295.36 is: 6,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.16 : 21,234.40 = 4,295.36 : x
  2. Step 2: Convert to fraction form
    14,156.16/21,234.40 = 4,295.36/x
  3. Step 3: Cross multiply
    14,156.16x = 21,234.40 × 4,295.36
  4. Step 4: Simplify right side
    14,156.16x = 91,209,392.38
  5. Step 5: Solve for x
    x = 91,209,392.38/14,156.16
  6. Step 6: Final answer
    x = 6,443.09

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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.