Home / 11,905.17-16,428.58-6,599.87

Finding the Fourth Proportional to 11,905.17, 16,428.58 and 6,599.87

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Solution

The fourth proportional to 11,905.17, 16,428.58 and 6,599.87 is: 9,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.17 : 16,428.58 = 6,599.87 : x
  2. Step 2: Convert to fraction form
    11,905.17/16,428.58 = 6,599.87/x
  3. Step 3: Cross multiply
    11,905.17x = 16,428.58 × 6,599.87
  4. Step 4: Simplify right side
    11,905.17x = 108,426,492.28
  5. Step 5: Solve for x
    x = 108,426,492.28/11,905.17
  6. Step 6: Final answer
    x = 9,107.51

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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.