Home / 14,070.93-19,506.68-13,321.89

Finding the Fourth Proportional to 14,070.93, 19,506.68 and 13,321.89

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Solution

The fourth proportional to 14,070.93, 19,506.68 and 13,321.89 is: 18,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.93 : 19,506.68 = 13,321.89 : x
  2. Step 2: Convert to fraction form
    14,070.93/19,506.68 = 13,321.89/x
  3. Step 3: Cross multiply
    14,070.93x = 19,506.68 × 13,321.89
  4. Step 4: Simplify right side
    14,070.93x = 259,865,845.23
  5. Step 5: Solve for x
    x = 259,865,845.23/14,070.93
  6. Step 6: Final answer
    x = 18,468.28

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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.