Home / 13,973.90-19,284.21-8,006.09

Finding the Fourth Proportional to 13,973.90, 19,284.21 and 8,006.09

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Solution

The fourth proportional to 13,973.90, 19,284.21 and 8,006.09 is: 11,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.90 : 19,284.21 = 8,006.09 : x
  2. Step 2: Convert to fraction form
    13,973.90/19,284.21 = 8,006.09/x
  3. Step 3: Cross multiply
    13,973.90x = 19,284.21 × 8,006.09
  4. Step 4: Simplify right side
    13,973.90x = 154,391,024.42
  5. Step 5: Solve for x
    x = 154,391,024.42/13,973.90
  6. Step 6: Final answer
    x = 11,048.53

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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.