Home / 11,529.86-15,903.81-7,992.41

Finding the Fourth Proportional to 11,529.86, 15,903.81 and 7,992.41

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Solution

The fourth proportional to 11,529.86, 15,903.81 and 7,992.41 is: 11,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.86 : 15,903.81 = 7,992.41 : x
  2. Step 2: Convert to fraction form
    11,529.86/15,903.81 = 7,992.41/x
  3. Step 3: Cross multiply
    11,529.86x = 15,903.81 × 7,992.41
  4. Step 4: Simplify right side
    11,529.86x = 127,109,690.56
  5. Step 5: Solve for x
    x = 127,109,690.56/11,529.86
  6. Step 6: Final answer
    x = 11,024.40

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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.