Home / 14,640.44-20,206.86-13,459.64

Finding the Fourth Proportional to 14,640.44, 20,206.86 and 13,459.64

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Solution

The fourth proportional to 14,640.44, 20,206.86 and 13,459.64 is: 18,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.44 : 20,206.86 = 13,459.64 : x
  2. Step 2: Convert to fraction form
    14,640.44/20,206.86 = 13,459.64/x
  3. Step 3: Cross multiply
    14,640.44x = 20,206.86 × 13,459.64
  4. Step 4: Simplify right side
    14,640.44x = 271,977,061.13
  5. Step 5: Solve for x
    x = 271,977,061.13/14,640.44
  6. Step 6: Final answer
    x = 18,577.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.