Home / 15,319.31-22,980.56-4,226.00

Finding the Fourth Proportional to 15,319.31, 22,980.56 and 4,226.00

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Solution

The fourth proportional to 15,319.31, 22,980.56 and 4,226.00 is: 6,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.31 : 22,980.56 = 4,226.00 : x
  2. Step 2: Convert to fraction form
    15,319.31/22,980.56 = 4,226.00/x
  3. Step 3: Cross multiply
    15,319.31x = 22,980.56 × 4,226.00
  4. Step 4: Simplify right side
    15,319.31x = 97,115,914.58
  5. Step 5: Solve for x
    x = 97,115,914.58/15,319.31
  6. Step 6: Final answer
    x = 6,339.44

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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.