Home / 13,432.74-20,158.29-4,667.58

Finding the Fourth Proportional to 13,432.74, 20,158.29 and 4,667.58

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Solution

The fourth proportional to 13,432.74, 20,158.29 and 4,667.58 is: 7,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.74 : 20,158.29 = 4,667.58 : x
  2. Step 2: Convert to fraction form
    13,432.74/20,158.29 = 4,667.58/x
  3. Step 3: Cross multiply
    13,432.74x = 20,158.29 × 4,667.58
  4. Step 4: Simplify right side
    13,432.74x = 94,090,431.24
  5. Step 5: Solve for x
    x = 94,090,431.24/13,432.74
  6. Step 6: Final answer
    x = 7,004.56

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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.