Home / 13,431.61-20,151.06-4,667.01

Finding the Fourth Proportional to 13,431.61, 20,151.06 and 4,667.01

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Solution

The fourth proportional to 13,431.61, 20,151.06 and 4,667.01 is: 7,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.61 : 20,151.06 = 4,667.01 : x
  2. Step 2: Convert to fraction form
    13,431.61/20,151.06 = 4,667.01/x
  3. Step 3: Cross multiply
    13,431.61x = 20,151.06 × 4,667.01
  4. Step 4: Simplify right side
    13,431.61x = 94,045,198.53
  5. Step 5: Solve for x
    x = 94,045,198.53/13,431.61
  6. Step 6: Final answer
    x = 7,001.78

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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.