Home / 16,963.60-23,411.19-9,412.36

Finding the Fourth Proportional to 16,963.60, 23,411.19 and 9,412.36

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Solution

The fourth proportional to 16,963.60, 23,411.19 and 9,412.36 is: 12,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.60 : 23,411.19 = 9,412.36 : x
  2. Step 2: Convert to fraction form
    16,963.60/23,411.19 = 9,412.36/x
  3. Step 3: Cross multiply
    16,963.60x = 23,411.19 × 9,412.36
  4. Step 4: Simplify right side
    16,963.60x = 220,354,548.31
  5. Step 5: Solve for x
    x = 220,354,548.31/16,963.60
  6. Step 6: Final answer
    x = 12,989.85

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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.