Home / 9,419.36-14,119.16-3,177.21

Finding the Fourth Proportional to 9,419.36, 14,119.16 and 3,177.21

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Solution

The fourth proportional to 9,419.36, 14,119.16 and 3,177.21 is: 4,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.36 : 14,119.16 = 3,177.21 : x
  2. Step 2: Convert to fraction form
    9,419.36/14,119.16 = 3,177.21/x
  3. Step 3: Cross multiply
    9,419.36x = 14,119.16 × 3,177.21
  4. Step 4: Simplify right side
    9,419.36x = 44,859,520.46
  5. Step 5: Solve for x
    x = 44,859,520.46/9,419.36
  6. Step 6: Final answer
    x = 4,762.48

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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.