Home / 11,275.34-15,561.12-6,495.44

Finding the Fourth Proportional to 11,275.34, 15,561.12 and 6,495.44

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Solution

The fourth proportional to 11,275.34, 15,561.12 and 6,495.44 is: 8,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.34 : 15,561.12 = 6,495.44 : x
  2. Step 2: Convert to fraction form
    11,275.34/15,561.12 = 6,495.44/x
  3. Step 3: Cross multiply
    11,275.34x = 15,561.12 × 6,495.44
  4. Step 4: Simplify right side
    11,275.34x = 101,076,321.29
  5. Step 5: Solve for x
    x = 101,076,321.29/11,275.34
  6. Step 6: Final answer
    x = 8,964.37

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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.