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Finding the Fourth Proportional to 8,736.21, 13,095.08 and 5,955.99

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Solution

The fourth proportional to 8,736.21, 13,095.08 and 5,955.99 is: 8,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.21 : 13,095.08 = 5,955.99 : x
  2. Step 2: Convert to fraction form
    8,736.21/13,095.08 = 5,955.99/x
  3. Step 3: Cross multiply
    8,736.21x = 13,095.08 × 5,955.99
  4. Step 4: Simplify right side
    8,736.21x = 77,994,165.53
  5. Step 5: Solve for x
    x = 77,994,165.53/8,736.21
  6. Step 6: Final answer
    x = 8,927.69

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1.5x scale

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.