Home / 14,070.18-19,505.65-13,321.13

Finding the Fourth Proportional to 14,070.18, 19,505.65 and 13,321.13

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Solution

The fourth proportional to 14,070.18, 19,505.65 and 13,321.13 is: 18,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.18 : 19,505.65 = 13,321.13 : x
  2. Step 2: Convert to fraction form
    14,070.18/19,505.65 = 13,321.13/x
  3. Step 3: Cross multiply
    14,070.18x = 19,505.65 × 13,321.13
  4. Step 4: Simplify right side
    14,070.18x = 259,837,299.38
  5. Step 5: Solve for x
    x = 259,837,299.38/14,070.18
  6. Step 6: Final answer
    x = 18,467.23

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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.