Home / 13,431.59-20,146.77-4,667.19

Finding the Fourth Proportional to 13,431.59, 20,146.77 and 4,667.19

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Solution

The fourth proportional to 13,431.59, 20,146.77 and 4,667.19 is: 7,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.59 : 20,146.77 = 4,667.19 : x
  2. Step 2: Convert to fraction form
    13,431.59/20,146.77 = 4,667.19/x
  3. Step 3: Cross multiply
    13,431.59x = 20,146.77 × 4,667.19
  4. Step 4: Simplify right side
    13,431.59x = 94,028,803.48
  5. Step 5: Solve for x
    x = 94,028,803.48/13,431.59
  6. Step 6: Final answer
    x = 7,000.57

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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.