Home / 9,411-14,120.34-3,569.40

Finding the Fourth Proportional to 9,411, 14,120.34 and 3,569.40

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Solution

The fourth proportional to 9,411, 14,120.34 and 3,569.40 is: 5,355.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,411 : 14,120.34 = 3,569.40 : x
  2. Step 2: Convert to fraction form
    9,411/14,120.34 = 3,569.40/x
  3. Step 3: Cross multiply
    9,411x = 14,120.34 × 3,569.40
  4. Step 4: Simplify right side
    9,411x = 50,401,141.60
  5. Step 5: Solve for x
    x = 50,401,141.60/9,411
  6. Step 6: Final answer
    x = 5,355.56

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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.