Home / 17,787.66-26,696.84-9,898.07

Finding the Fourth Proportional to 17,787.66, 26,696.84 and 9,898.07

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Solution

The fourth proportional to 17,787.66, 26,696.84 and 9,898.07 is: 14,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.66 : 26,696.84 = 9,898.07 : x
  2. Step 2: Convert to fraction form
    17,787.66/26,696.84 = 9,898.07/x
  3. Step 3: Cross multiply
    17,787.66x = 26,696.84 × 9,898.07
  4. Step 4: Simplify right side
    17,787.66x = 264,247,008.12
  5. Step 5: Solve for x
    x = 264,247,008.12/17,787.66
  6. Step 6: Final answer
    x = 14,855.64

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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.