Home / 14,548.80-21,820.56-4,158

Finding the Fourth Proportional to 14,548.80, 21,820.56 and 4,158

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Solution

The fourth proportional to 14,548.80, 21,820.56 and 4,158 is: 6,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.80 : 21,820.56 = 4,158 : x
  2. Step 2: Convert to fraction form
    14,548.80/21,820.56 = 4,158/x
  3. Step 3: Cross multiply
    14,548.80x = 21,820.56 × 4,158
  4. Step 4: Simplify right side
    14,548.80x = 90,729,888.48
  5. Step 5: Solve for x
    x = 90,729,888.48/14,548.80
  6. Step 6: Final answer
    x = 6,236.25

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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.