Home / 16,913.80-23,340.22-9,360

Finding the Fourth Proportional to 16,913.80, 23,340.22 and 9,360

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Solution

The fourth proportional to 16,913.80, 23,340.22 and 9,360 is: 12,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.80 : 23,340.22 = 9,360 : x
  2. Step 2: Convert to fraction form
    16,913.80/23,340.22 = 9,360/x
  3. Step 3: Cross multiply
    16,913.80x = 23,340.22 × 9,360
  4. Step 4: Simplify right side
    16,913.80x = 218,464,459.20
  5. Step 5: Solve for x
    x = 218,464,459.20/16,913.80
  6. Step 6: Final answer
    x = 12,916.34

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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.