Home / 12,059.60-16,660.68-10,830.80

Finding the Fourth Proportional to 12,059.60, 16,660.68 and 10,830.80

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Solution

The fourth proportional to 12,059.60, 16,660.68 and 10,830.80 is: 14,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.60 : 16,660.68 = 10,830.80 : x
  2. Step 2: Convert to fraction form
    12,059.60/16,660.68 = 10,830.80/x
  3. Step 3: Cross multiply
    12,059.60x = 16,660.68 × 10,830.80
  4. Step 4: Simplify right side
    12,059.60x = 180,448,492.94
  5. Step 5: Solve for x
    x = 180,448,492.94/12,059.60
  6. Step 6: Final answer
    x = 14,963.06

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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.