Home / 14,305-19,734.18-10,115.56

Finding the Fourth Proportional to 14,305, 19,734.18 and 10,115.56

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Solution

The fourth proportional to 14,305, 19,734.18 and 10,115.56 is: 13,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305 : 19,734.18 = 10,115.56 : x
  2. Step 2: Convert to fraction form
    14,305/19,734.18 = 10,115.56/x
  3. Step 3: Cross multiply
    14,305x = 19,734.18 × 10,115.56
  4. Step 4: Simplify right side
    14,305x = 199,622,281.84
  5. Step 5: Solve for x
    x = 199,622,281.84/14,305
  6. Step 6: Final answer
    x = 13,954.72

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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.