Home / 14,051.18-21,069.68-4,687.88

Finding the Fourth Proportional to 14,051.18, 21,069.68 and 4,687.88

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Solution

The fourth proportional to 14,051.18, 21,069.68 and 4,687.88 is: 7,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.18 : 21,069.68 = 4,687.88 : x
  2. Step 2: Convert to fraction form
    14,051.18/21,069.68 = 4,687.88/x
  3. Step 3: Cross multiply
    14,051.18x = 21,069.68 × 4,687.88
  4. Step 4: Simplify right side
    14,051.18x = 98,772,131.48
  5. Step 5: Solve for x
    x = 98,772,131.48/14,051.18
  6. Step 6: Final answer
    x = 7,029.45

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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.