Home / 12,667.72-19,001.60-3,434.44

Finding the Fourth Proportional to 12,667.72, 19,001.60 and 3,434.44

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Solution

The fourth proportional to 12,667.72, 19,001.60 and 3,434.44 is: 5,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.72 : 19,001.60 = 3,434.44 : x
  2. Step 2: Convert to fraction form
    12,667.72/19,001.60 = 3,434.44/x
  3. Step 3: Cross multiply
    12,667.72x = 19,001.60 × 3,434.44
  4. Step 4: Simplify right side
    12,667.72x = 65,259,855.10
  5. Step 5: Solve for x
    x = 65,259,855.10/12,667.72
  6. Step 6: Final answer
    x = 5,151.67

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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.