Home / 14,518.49-21,780.56-4,657.01

Finding the Fourth Proportional to 14,518.49, 21,780.56 and 4,657.01

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Solution

The fourth proportional to 14,518.49, 21,780.56 and 4,657.01 is: 6,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.49 : 21,780.56 = 4,657.01 : x
  2. Step 2: Convert to fraction form
    14,518.49/21,780.56 = 4,657.01/x
  3. Step 3: Cross multiply
    14,518.49x = 21,780.56 × 4,657.01
  4. Step 4: Simplify right side
    14,518.49x = 101,432,188.47
  5. Step 5: Solve for x
    x = 101,432,188.47/14,518.49
  6. Step 6: Final answer
    x = 6,986.42

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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.