Home / 14,070.18-19,505.64-13,321.14

Finding the Fourth Proportional to 14,070.18, 19,505.64 and 13,321.14

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Solution

The fourth proportional to 14,070.18, 19,505.64 and 13,321.14 is: 18,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.18 : 19,505.64 = 13,321.14 : x
  2. Step 2: Convert to fraction form
    14,070.18/19,505.64 = 13,321.14/x
  3. Step 3: Cross multiply
    14,070.18x = 19,505.64 × 13,321.14
  4. Step 4: Simplify right side
    14,070.18x = 259,837,361.23
  5. Step 5: Solve for x
    x = 259,837,361.23/14,070.18
  6. Step 6: Final answer
    x = 18,467.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.