Home / 13,086.32-19,637.84-4,765.56

Finding the Fourth Proportional to 13,086.32, 19,637.84 and 4,765.56

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Solution

The fourth proportional to 13,086.32, 19,637.84 and 4,765.56 is: 7,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.32 : 19,637.84 = 4,765.56 : x
  2. Step 2: Convert to fraction form
    13,086.32/19,637.84 = 4,765.56/x
  3. Step 3: Cross multiply
    13,086.32x = 19,637.84 × 4,765.56
  4. Step 4: Simplify right side
    13,086.32x = 93,585,304.79
  5. Step 5: Solve for x
    x = 93,585,304.79/13,086.32
  6. Step 6: Final answer
    x = 7,151.38

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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.