Home / 11,214.56-15,470.10-6,964.28

Finding the Fourth Proportional to 11,214.56, 15,470.10 and 6,964.28

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Solution

The fourth proportional to 11,214.56, 15,470.10 and 6,964.28 is: 9,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.56 : 15,470.10 = 6,964.28 : x
  2. Step 2: Convert to fraction form
    11,214.56/15,470.10 = 6,964.28/x
  3. Step 3: Cross multiply
    11,214.56x = 15,470.10 × 6,964.28
  4. Step 4: Simplify right side
    11,214.56x = 107,738,108.03
  5. Step 5: Solve for x
    x = 107,738,108.03/11,214.56
  6. Step 6: Final answer
    x = 9,606.98

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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.