Home / 13,741.79-20,594.46-7,485.76

Finding the Fourth Proportional to 13,741.79, 20,594.46 and 7,485.76

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Solution

The fourth proportional to 13,741.79, 20,594.46 and 7,485.76 is: 11,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.79 : 20,594.46 = 7,485.76 : x
  2. Step 2: Convert to fraction form
    13,741.79/20,594.46 = 7,485.76/x
  3. Step 3: Cross multiply
    13,741.79x = 20,594.46 × 7,485.76
  4. Step 4: Simplify right side
    13,741.79x = 154,165,184.89
  5. Step 5: Solve for x
    x = 154,165,184.89/13,741.79
  6. Step 6: Final answer
    x = 11,218.71

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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.