Home / 16,989-23,434.66-10,690.44

Finding the Fourth Proportional to 16,989, 23,434.66 and 10,690.44

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Solution

The fourth proportional to 16,989, 23,434.66 and 10,690.44 is: 14,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989 : 23,434.66 = 10,690.44 : x
  2. Step 2: Convert to fraction form
    16,989/23,434.66 = 10,690.44/x
  3. Step 3: Cross multiply
    16,989x = 23,434.66 × 10,690.44
  4. Step 4: Simplify right side
    16,989x = 250,526,826.65
  5. Step 5: Solve for x
    x = 250,526,826.65/16,989
  6. Step 6: Final answer
    x = 14,746.41

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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.