Home / 13,705.08-20,557.56-4,938.84

Finding the Fourth Proportional to 13,705.08, 20,557.56 and 4,938.84

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Solution

The fourth proportional to 13,705.08, 20,557.56 and 4,938.84 is: 7,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.08 : 20,557.56 = 4,938.84 : x
  2. Step 2: Convert to fraction form
    13,705.08/20,557.56 = 4,938.84/x
  3. Step 3: Cross multiply
    13,705.08x = 20,557.56 × 4,938.84
  4. Step 4: Simplify right side
    13,705.08x = 101,530,499.63
  5. Step 5: Solve for x
    x = 101,530,499.63/13,705.08
  6. Step 6: Final answer
    x = 7,408.24

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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.