Home / 13,718.92-20,574.24-4,358.56

Finding the Fourth Proportional to 13,718.92, 20,574.24 and 4,358.56

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Solution

The fourth proportional to 13,718.92, 20,574.24 and 4,358.56 is: 6,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.92 : 20,574.24 = 4,358.56 : x
  2. Step 2: Convert to fraction form
    13,718.92/20,574.24 = 4,358.56/x
  3. Step 3: Cross multiply
    13,718.92x = 20,574.24 × 4,358.56
  4. Step 4: Simplify right side
    13,718.92x = 89,674,059.49
  5. Step 5: Solve for x
    x = 89,674,059.49/13,718.92
  6. Step 6: Final answer
    x = 6,536.52

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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.