Home / 10,865.63-14,994.57-6,151.43

Finding the Fourth Proportional to 10,865.63, 14,994.57 and 6,151.43

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Solution

The fourth proportional to 10,865.63, 14,994.57 and 6,151.43 is: 8,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.63 : 14,994.57 = 6,151.43 : x
  2. Step 2: Convert to fraction form
    10,865.63/14,994.57 = 6,151.43/x
  3. Step 3: Cross multiply
    10,865.63x = 14,994.57 × 6,151.43
  4. Step 4: Simplify right side
    10,865.63x = 92,237,972.76
  5. Step 5: Solve for x
    x = 92,237,972.76/10,865.63
  6. Step 6: Final answer
    x = 8,488.97

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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.