Home / 13,434.90-20,157.81-4,675.96

Finding the Fourth Proportional to 13,434.90, 20,157.81 and 4,675.96

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Solution

The fourth proportional to 13,434.90, 20,157.81 and 4,675.96 is: 7,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.90 : 20,157.81 = 4,675.96 : x
  2. Step 2: Convert to fraction form
    13,434.90/20,157.81 = 4,675.96/x
  3. Step 3: Cross multiply
    13,434.90x = 20,157.81 × 4,675.96
  4. Step 4: Simplify right side
    13,434.90x = 94,257,113.25
  5. Step 5: Solve for x
    x = 94,257,113.25/13,434.90
  6. Step 6: Final answer
    x = 7,015.84

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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.