Home / 13,166.54-19,751.70-4,278.94

Finding the Fourth Proportional to 13,166.54, 19,751.70 and 4,278.94

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Solution

The fourth proportional to 13,166.54, 19,751.70 and 4,278.94 is: 6,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.54 : 19,751.70 = 4,278.94 : x
  2. Step 2: Convert to fraction form
    13,166.54/19,751.70 = 4,278.94/x
  3. Step 3: Cross multiply
    13,166.54x = 19,751.70 × 4,278.94
  4. Step 4: Simplify right side
    13,166.54x = 84,516,339.20
  5. Step 5: Solve for x
    x = 84,516,339.20/13,166.54
  6. Step 6: Final answer
    x = 6,419.02

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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.