Home / 10,214.64-15,322.80-4,371.30

Finding the Fourth Proportional to 10,214.64, 15,322.80 and 4,371.30

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Solution

The fourth proportional to 10,214.64, 15,322.80 and 4,371.30 is: 6,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.64 : 15,322.80 = 4,371.30 : x
  2. Step 2: Convert to fraction form
    10,214.64/15,322.80 = 4,371.30/x
  3. Step 3: Cross multiply
    10,214.64x = 15,322.80 × 4,371.30
  4. Step 4: Simplify right side
    10,214.64x = 66,980,555.64
  5. Step 5: Solve for x
    x = 66,980,555.64/10,214.64
  6. Step 6: Final answer
    x = 6,557.31

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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.