Home / 10,817.87-14,927.49-6,340.73

Finding the Fourth Proportional to 10,817.87, 14,927.49 and 6,340.73

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Solution

The fourth proportional to 10,817.87, 14,927.49 and 6,340.73 is: 8,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.87 : 14,927.49 = 6,340.73 : x
  2. Step 2: Convert to fraction form
    10,817.87/14,927.49 = 6,340.73/x
  3. Step 3: Cross multiply
    10,817.87x = 14,927.49 × 6,340.73
  4. Step 4: Simplify right side
    10,817.87x = 94,651,109.03
  5. Step 5: Solve for x
    x = 94,651,109.03/10,817.87
  6. Step 6: Final answer
    x = 8,749.52

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Double scale
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1.5x scale

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.