Home / 11,602.20-16,004.40-7,345.44

Finding the Fourth Proportional to 11,602.20, 16,004.40 and 7,345.44

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Solution

The fourth proportional to 11,602.20, 16,004.40 and 7,345.44 is: 10,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.20 : 16,004.40 = 7,345.44 : x
  2. Step 2: Convert to fraction form
    11,602.20/16,004.40 = 7,345.44/x
  3. Step 3: Cross multiply
    11,602.20x = 16,004.40 × 7,345.44
  4. Step 4: Simplify right side
    11,602.20x = 117,559,359.94
  5. Step 5: Solve for x
    x = 117,559,359.94/11,602.20
  6. Step 6: Final answer
    x = 10,132.51

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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.