Home / 14,261.76-21,386.52-4,902.72

Finding the Fourth Proportional to 14,261.76, 21,386.52 and 4,902.72

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Solution

The fourth proportional to 14,261.76, 21,386.52 and 4,902.72 is: 7,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.76 : 21,386.52 = 4,902.72 : x
  2. Step 2: Convert to fraction form
    14,261.76/21,386.52 = 4,902.72/x
  3. Step 3: Cross multiply
    14,261.76x = 21,386.52 × 4,902.72
  4. Step 4: Simplify right side
    14,261.76x = 104,852,119.33
  5. Step 5: Solve for x
    x = 104,852,119.33/14,261.76
  6. Step 6: Final answer
    x = 7,351.98

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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.