Home / 10,131.76-13,981.44-6,153.04

Finding the Fourth Proportional to 10,131.76, 13,981.44 and 6,153.04

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Solution

The fourth proportional to 10,131.76, 13,981.44 and 6,153.04 is: 8,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.76 : 13,981.44 = 6,153.04 : x
  2. Step 2: Convert to fraction form
    10,131.76/13,981.44 = 6,153.04/x
  3. Step 3: Cross multiply
    10,131.76x = 13,981.44 × 6,153.04
  4. Step 4: Simplify right side
    10,131.76x = 86,028,359.58
  5. Step 5: Solve for x
    x = 86,028,359.58/10,131.76
  6. Step 6: Final answer
    x = 8,490.96

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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.