Home / 9,627.60-14,441.40-7,683.60

Finding the Fourth Proportional to 9,627.60, 14,441.40 and 7,683.60

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Solution

The fourth proportional to 9,627.60, 14,441.40 and 7,683.60 is: 11,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.60 : 14,441.40 = 7,683.60 : x
  2. Step 2: Convert to fraction form
    9,627.60/14,441.40 = 7,683.60/x
  3. Step 3: Cross multiply
    9,627.60x = 14,441.40 × 7,683.60
  4. Step 4: Simplify right side
    9,627.60x = 110,961,941.04
  5. Step 5: Solve for x
    x = 110,961,941.04/9,627.60
  6. Step 6: Final answer
    x = 11,525.40

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Similar ratio
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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.