Home / 13,435.40-20,158.56-4,676.46

Finding the Fourth Proportional to 13,435.40, 20,158.56 and 4,676.46

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Solution

The fourth proportional to 13,435.40, 20,158.56 and 4,676.46 is: 7,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.40 : 20,158.56 = 4,676.46 : x
  2. Step 2: Convert to fraction form
    13,435.40/20,158.56 = 4,676.46/x
  3. Step 3: Cross multiply
    13,435.40x = 20,158.56 × 4,676.46
  4. Step 4: Simplify right side
    13,435.40x = 94,270,699.50
  5. Step 5: Solve for x
    x = 94,270,699.50/13,435.40
  6. Step 6: Final answer
    x = 7,016.59

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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.