Home / 16,800.21-23,159.70-11,748.72

Finding the Fourth Proportional to 16,800.21, 23,159.70 and 11,748.72

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Solution

The fourth proportional to 16,800.21, 23,159.70 and 11,748.72 is: 16,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.21 : 23,159.70 = 11,748.72 : x
  2. Step 2: Convert to fraction form
    16,800.21/23,159.70 = 11,748.72/x
  3. Step 3: Cross multiply
    16,800.21x = 23,159.70 × 11,748.72
  4. Step 4: Simplify right side
    16,800.21x = 272,096,830.58
  5. Step 5: Solve for x
    x = 272,096,830.58/16,800.21
  6. Step 6: Final answer
    x = 16,196.04

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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.