Home / 13,444.40-20,161.80-4,679.60

Finding the Fourth Proportional to 13,444.40, 20,161.80 and 4,679.60

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Solution

The fourth proportional to 13,444.40, 20,161.80 and 4,679.60 is: 7,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.40 : 20,161.80 = 4,679.60 : x
  2. Step 2: Convert to fraction form
    13,444.40/20,161.80 = 4,679.60/x
  3. Step 3: Cross multiply
    13,444.40x = 20,161.80 × 4,679.60
  4. Step 4: Simplify right side
    13,444.40x = 94,349,159.28
  5. Step 5: Solve for x
    x = 94,349,159.28/13,444.40
  6. Step 6: Final answer
    x = 7,017.73

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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.