Home / 9,919.43-14,880.36-4,374.17

Finding the Fourth Proportional to 9,919.43, 14,880.36 and 4,374.17

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Solution

The fourth proportional to 9,919.43, 14,880.36 and 4,374.17 is: 6,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.43 : 14,880.36 = 4,374.17 : x
  2. Step 2: Convert to fraction form
    9,919.43/14,880.36 = 4,374.17/x
  3. Step 3: Cross multiply
    9,919.43x = 14,880.36 × 4,374.17
  4. Step 4: Simplify right side
    9,919.43x = 65,089,224.30
  5. Step 5: Solve for x
    x = 65,089,224.30/9,919.43
  6. Step 6: Final answer
    x = 6,561.79

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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.