Home / 9,387.09-14,075.37-3,143.88

Finding the Fourth Proportional to 9,387.09, 14,075.37 and 3,143.88

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Solution

The fourth proportional to 9,387.09, 14,075.37 and 3,143.88 is: 4,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.09 : 14,075.37 = 3,143.88 : x
  2. Step 2: Convert to fraction form
    9,387.09/14,075.37 = 3,143.88/x
  3. Step 3: Cross multiply
    9,387.09x = 14,075.37 × 3,143.88
  4. Step 4: Simplify right side
    9,387.09x = 44,251,274.24
  5. Step 5: Solve for x
    x = 44,251,274.24/9,387.09
  6. Step 6: Final answer
    x = 4,714.06

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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.