Home / 11,250.36-15,525.48-6,470.64

Finding the Fourth Proportional to 11,250.36, 15,525.48 and 6,470.64

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Solution

The fourth proportional to 11,250.36, 15,525.48 and 6,470.64 is: 8,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.36 : 15,525.48 = 6,470.64 : x
  2. Step 2: Convert to fraction form
    11,250.36/15,525.48 = 6,470.64/x
  3. Step 3: Cross multiply
    11,250.36x = 15,525.48 × 6,470.64
  4. Step 4: Simplify right side
    11,250.36x = 100,459,791.91
  5. Step 5: Solve for x
    x = 100,459,791.91/11,250.36
  6. Step 6: Final answer
    x = 8,929.47

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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.