Home / 10,377-14,325.66-6,400.26

Finding the Fourth Proportional to 10,377, 14,325.66 and 6,400.26

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Solution

The fourth proportional to 10,377, 14,325.66 and 6,400.26 is: 8,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377 : 14,325.66 = 6,400.26 : x
  2. Step 2: Convert to fraction form
    10,377/14,325.66 = 6,400.26/x
  3. Step 3: Cross multiply
    10,377x = 14,325.66 × 6,400.26
  4. Step 4: Simplify right side
    10,377x = 91,687,948.67
  5. Step 5: Solve for x
    x = 91,687,948.67/10,377
  6. Step 6: Final answer
    x = 8,835.69

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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.