Home / 13,472.60-20,212.47-12,001.91

Finding the Fourth Proportional to 13,472.60, 20,212.47 and 12,001.91

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Solution

The fourth proportional to 13,472.60, 20,212.47 and 12,001.91 is: 18,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.60 : 20,212.47 = 12,001.91 : x
  2. Step 2: Convert to fraction form
    13,472.60/20,212.47 = 12,001.91/x
  3. Step 3: Cross multiply
    13,472.60x = 20,212.47 × 12,001.91
  4. Step 4: Simplify right side
    13,472.60x = 242,588,144.76
  5. Step 5: Solve for x
    x = 242,588,144.76/13,472.60
  6. Step 6: Final answer
    x = 18,006.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.