Home / 11,529.15-17,254.63-7,089.60

Finding the Fourth Proportional to 11,529.15, 17,254.63 and 7,089.60

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Solution

The fourth proportional to 11,529.15, 17,254.63 and 7,089.60 is: 10,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.15 : 17,254.63 = 7,089.60 : x
  2. Step 2: Convert to fraction form
    11,529.15/17,254.63 = 7,089.60/x
  3. Step 3: Cross multiply
    11,529.15x = 17,254.63 × 7,089.60
  4. Step 4: Simplify right side
    11,529.15x = 122,328,444.86
  5. Step 5: Solve for x
    x = 122,328,444.86/11,529.15
  6. Step 6: Final answer
    x = 10,610.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.