Home / 13,953.06-20,929.59-4,093.11

Finding the Fourth Proportional to 13,953.06, 20,929.59 and 4,093.11

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Solution

The fourth proportional to 13,953.06, 20,929.59 and 4,093.11 is: 6,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.06 : 20,929.59 = 4,093.11 : x
  2. Step 2: Convert to fraction form
    13,953.06/20,929.59 = 4,093.11/x
  3. Step 3: Cross multiply
    13,953.06x = 20,929.59 × 4,093.11
  4. Step 4: Simplify right side
    13,953.06x = 85,667,055.26
  5. Step 5: Solve for x
    x = 85,667,055.26/13,953.06
  6. Step 6: Final answer
    x = 6,139.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.