Home / 10,509.08-15,763.28-4,268.97

Finding the Fourth Proportional to 10,509.08, 15,763.28 and 4,268.97

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Solution

The fourth proportional to 10,509.08, 15,763.28 and 4,268.97 is: 6,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.08 : 15,763.28 = 4,268.97 : x
  2. Step 2: Convert to fraction form
    10,509.08/15,763.28 = 4,268.97/x
  3. Step 3: Cross multiply
    10,509.08x = 15,763.28 × 4,268.97
  4. Step 4: Simplify right side
    10,509.08x = 67,292,948.08
  5. Step 5: Solve for x
    x = 67,292,948.08/10,509.08
  6. Step 6: Final answer
    x = 6,403.32

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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.