Home / 13,718.56-20,577.76-3,330.24

Finding the Fourth Proportional to 13,718.56, 20,577.76 and 3,330.24

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Solution

The fourth proportional to 13,718.56, 20,577.76 and 3,330.24 is: 4,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.56 : 20,577.76 = 3,330.24 : x
  2. Step 2: Convert to fraction form
    13,718.56/20,577.76 = 3,330.24/x
  3. Step 3: Cross multiply
    13,718.56x = 20,577.76 × 3,330.24
  4. Step 4: Simplify right side
    13,718.56x = 68,528,879.46
  5. Step 5: Solve for x
    x = 68,528,879.46/13,718.56
  6. Step 6: Final answer
    x = 4,995.34

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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.