Home / 14,180.85-19,569.27-7,893.21

Finding the Fourth Proportional to 14,180.85, 19,569.27 and 7,893.21

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Solution

The fourth proportional to 14,180.85, 19,569.27 and 7,893.21 is: 10,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.85 : 19,569.27 = 7,893.21 : x
  2. Step 2: Convert to fraction form
    14,180.85/19,569.27 = 7,893.21/x
  3. Step 3: Cross multiply
    14,180.85x = 19,569.27 × 7,893.21
  4. Step 4: Simplify right side
    14,180.85x = 154,464,357.66
  5. Step 5: Solve for x
    x = 154,464,357.66/14,180.85
  6. Step 6: Final answer
    x = 10,892.46

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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.