Home / 10,208.34-15,314.88-4,365.36

Finding the Fourth Proportional to 10,208.34, 15,314.88 and 4,365.36

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Solution

The fourth proportional to 10,208.34, 15,314.88 and 4,365.36 is: 6,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.34 : 15,314.88 = 4,365.36 : x
  2. Step 2: Convert to fraction form
    10,208.34/15,314.88 = 4,365.36/x
  3. Step 3: Cross multiply
    10,208.34x = 15,314.88 × 4,365.36
  4. Step 4: Simplify right side
    10,208.34x = 66,854,964.56
  5. Step 5: Solve for x
    x = 66,854,964.56/10,208.34
  6. Step 6: Final answer
    x = 6,549.05

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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.