Home / 13,187.45-19,793.01-6,617.32

Finding the Fourth Proportional to 13,187.45, 19,793.01 and 6,617.32

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Solution

The fourth proportional to 13,187.45, 19,793.01 and 6,617.32 is: 9,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.45 : 19,793.01 = 6,617.32 : x
  2. Step 2: Convert to fraction form
    13,187.45/19,793.01 = 6,617.32/x
  3. Step 3: Cross multiply
    13,187.45x = 19,793.01 × 6,617.32
  4. Step 4: Simplify right side
    13,187.45x = 130,976,680.93
  5. Step 5: Solve for x
    x = 130,976,680.93/13,187.45
  6. Step 6: Final answer
    x = 9,931.92

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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.