Home / 13,854.85-19,116.43-10,278.06

Finding the Fourth Proportional to 13,854.85, 19,116.43 and 10,278.06

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Solution

The fourth proportional to 13,854.85, 19,116.43 and 10,278.06 is: 14,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.85 : 19,116.43 = 10,278.06 : x
  2. Step 2: Convert to fraction form
    13,854.85/19,116.43 = 10,278.06/x
  3. Step 3: Cross multiply
    13,854.85x = 19,116.43 × 10,278.06
  4. Step 4: Simplify right side
    13,854.85x = 196,479,907.35
  5. Step 5: Solve for x
    x = 196,479,907.35/13,854.85
  6. Step 6: Final answer
    x = 14,181.31

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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.