Home / 13,973.81-20,960.69-3,585.56

Finding the Fourth Proportional to 13,973.81, 20,960.69 and 3,585.56

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Solution

The fourth proportional to 13,973.81, 20,960.69 and 3,585.56 is: 5,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.81 : 20,960.69 = 3,585.56 : x
  2. Step 2: Convert to fraction form
    13,973.81/20,960.69 = 3,585.56/x
  3. Step 3: Cross multiply
    13,973.81x = 20,960.69 × 3,585.56
  4. Step 4: Simplify right side
    13,973.81x = 75,155,688.91
  5. Step 5: Solve for x
    x = 75,155,688.91/13,973.81
  6. Step 6: Final answer
    x = 5,378.33

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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.