Home / 16,963.70-23,409.88-9,411.19

Finding the Fourth Proportional to 16,963.70, 23,409.88 and 9,411.19

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Solution

The fourth proportional to 16,963.70, 23,409.88 and 9,411.19 is: 12,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.70 : 23,409.88 = 9,411.19 : x
  2. Step 2: Convert to fraction form
    16,963.70/23,409.88 = 9,411.19/x
  3. Step 3: Cross multiply
    16,963.70x = 23,409.88 × 9,411.19
  4. Step 4: Simplify right side
    16,963.70x = 220,314,746.50
  5. Step 5: Solve for x
    x = 220,314,746.50/16,963.70
  6. Step 6: Final answer
    x = 12,987.43

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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.