Home / 13,778.01-20,666.75-4,544.01

Finding the Fourth Proportional to 13,778.01, 20,666.75 and 4,544.01

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Solution

The fourth proportional to 13,778.01, 20,666.75 and 4,544.01 is: 6,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,778.01 : 20,666.75 = 4,544.01 : x
  2. Step 2: Convert to fraction form
    13,778.01/20,666.75 = 4,544.01/x
  3. Step 3: Cross multiply
    13,778.01x = 20,666.75 × 4,544.01
  4. Step 4: Simplify right side
    13,778.01x = 93,909,895.95
  5. Step 5: Solve for x
    x = 93,909,895.95/13,778.01
  6. Step 6: Final answer
    x = 6,815.93

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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.