Home / 16,903.76-23,329.08-12,190.88

Finding the Fourth Proportional to 16,903.76, 23,329.08 and 12,190.88

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Solution

The fourth proportional to 16,903.76, 23,329.08 and 12,190.88 is: 16,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903.76 : 23,329.08 = 12,190.88 : x
  2. Step 2: Convert to fraction form
    16,903.76/23,329.08 = 12,190.88/x
  3. Step 3: Cross multiply
    16,903.76x = 23,329.08 × 12,190.88
  4. Step 4: Simplify right side
    16,903.76x = 284,402,014.79
  5. Step 5: Solve for x
    x = 284,402,014.79/16,903.76
  6. Step 6: Final answer
    x = 16,824.78

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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.