Home / 14,268.47-21,407.78-6,370.27

Finding the Fourth Proportional to 14,268.47, 21,407.78 and 6,370.27

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Solution

The fourth proportional to 14,268.47, 21,407.78 and 6,370.27 is: 9,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.47 : 21,407.78 = 6,370.27 : x
  2. Step 2: Convert to fraction form
    14,268.47/21,407.78 = 6,370.27/x
  3. Step 3: Cross multiply
    14,268.47x = 21,407.78 × 6,370.27
  4. Step 4: Simplify right side
    14,268.47x = 136,373,338.70
  5. Step 5: Solve for x
    x = 136,373,338.70/14,268.47
  6. Step 6: Final answer
    x = 9,557.67

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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.