Home / 13,477.55-20,211.66-5,159.93

Finding the Fourth Proportional to 13,477.55, 20,211.66 and 5,159.93

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Solution

The fourth proportional to 13,477.55, 20,211.66 and 5,159.93 is: 7,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.55 : 20,211.66 = 5,159.93 : x
  2. Step 2: Convert to fraction form
    13,477.55/20,211.66 = 5,159.93/x
  3. Step 3: Cross multiply
    13,477.55x = 20,211.66 × 5,159.93
  4. Step 4: Simplify right side
    13,477.55x = 104,290,649.73
  5. Step 5: Solve for x
    x = 104,290,649.73/13,477.55
  6. Step 6: Final answer
    x = 7,738.10

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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.