Home / 13,718.34-20,577.57-3,330.09

Finding the Fourth Proportional to 13,718.34, 20,577.57 and 3,330.09

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Solution

The fourth proportional to 13,718.34, 20,577.57 and 3,330.09 is: 4,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.34 : 20,577.57 = 3,330.09 : x
  2. Step 2: Convert to fraction form
    13,718.34/20,577.57 = 3,330.09/x
  3. Step 3: Cross multiply
    13,718.34x = 20,577.57 × 3,330.09
  4. Step 4: Simplify right side
    13,718.34x = 68,525,160.08
  5. Step 5: Solve for x
    x = 68,525,160.08/13,718.34
  6. Step 6: Final answer
    x = 4,995.15

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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.