Home / 16,941.53-23,378.95-9,387.80

Finding the Fourth Proportional to 16,941.53, 23,378.95 and 9,387.80

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Solution

The fourth proportional to 16,941.53, 23,378.95 and 9,387.80 is: 12,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.53 : 23,378.95 = 9,387.80 : x
  2. Step 2: Convert to fraction form
    16,941.53/23,378.95 = 9,387.80/x
  3. Step 3: Cross multiply
    16,941.53x = 23,378.95 × 9,387.80
  4. Step 4: Simplify right side
    16,941.53x = 219,476,915.72
  5. Step 5: Solve for x
    x = 219,476,915.72/16,941.53
  6. Step 6: Final answer
    x = 12,954.96

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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.