Home / 14,090.23-21,116.96-12,600.64

Finding the Fourth Proportional to 14,090.23, 21,116.96 and 12,600.64

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Solution

The fourth proportional to 14,090.23, 21,116.96 and 12,600.64 is: 18,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.23 : 21,116.96 = 12,600.64 : x
  2. Step 2: Convert to fraction form
    14,090.23/21,116.96 = 12,600.64/x
  3. Step 3: Cross multiply
    14,090.23x = 21,116.96 × 12,600.64
  4. Step 4: Simplify right side
    14,090.23x = 266,087,210.85
  5. Step 5: Solve for x
    x = 266,087,210.85/14,090.23
  6. Step 6: Final answer
    x = 18,884.52

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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.