Home / 11,380.03-15,705.60-6,345.07

Finding the Fourth Proportional to 11,380.03, 15,705.60 and 6,345.07

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Solution

The fourth proportional to 11,380.03, 15,705.60 and 6,345.07 is: 8,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.03 : 15,705.60 = 6,345.07 : x
  2. Step 2: Convert to fraction form
    11,380.03/15,705.60 = 6,345.07/x
  3. Step 3: Cross multiply
    11,380.03x = 15,705.60 × 6,345.07
  4. Step 4: Simplify right side
    11,380.03x = 99,653,052.86
  5. Step 5: Solve for x
    x = 99,653,052.86/11,380.03
  6. Step 6: Final answer
    x = 8,756.84

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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.