Home / 11,875.02-17,814.05-4,379.07

Finding the Fourth Proportional to 11,875.02, 17,814.05 and 4,379.07

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Solution

The fourth proportional to 11,875.02, 17,814.05 and 4,379.07 is: 6,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.02 : 17,814.05 = 4,379.07 : x
  2. Step 2: Convert to fraction form
    11,875.02/17,814.05 = 4,379.07/x
  3. Step 3: Cross multiply
    11,875.02x = 17,814.05 × 4,379.07
  4. Step 4: Simplify right side
    11,875.02x = 78,008,971.93
  5. Step 5: Solve for x
    x = 78,008,971.93/11,875.02
  6. Step 6: Final answer
    x = 6,569.17

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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.