Home / 14,422.08-19,901.28-8,136

Finding the Fourth Proportional to 14,422.08, 19,901.28 and 8,136

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Solution

The fourth proportional to 14,422.08, 19,901.28 and 8,136 is: 11,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.08 : 19,901.28 = 8,136 : x
  2. Step 2: Convert to fraction form
    14,422.08/19,901.28 = 8,136/x
  3. Step 3: Cross multiply
    14,422.08x = 19,901.28 × 8,136
  4. Step 4: Simplify right side
    14,422.08x = 161,916,814.08
  5. Step 5: Solve for x
    x = 161,916,814.08/14,422.08
  6. Step 6: Final answer
    x = 11,227.01

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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.