Home / 10,449.36-14,420.76-5,734.32

Finding the Fourth Proportional to 10,449.36, 14,420.76 and 5,734.32

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Solution

The fourth proportional to 10,449.36, 14,420.76 and 5,734.32 is: 7,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.36 : 14,420.76 = 5,734.32 : x
  2. Step 2: Convert to fraction form
    10,449.36/14,420.76 = 5,734.32/x
  3. Step 3: Cross multiply
    10,449.36x = 14,420.76 × 5,734.32
  4. Step 4: Simplify right side
    10,449.36x = 82,693,252.48
  5. Step 5: Solve for x
    x = 82,693,252.48/10,449.36
  6. Step 6: Final answer
    x = 7,913.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.