Home / 9,771.60-14,657.40-5,397.60

Finding the Fourth Proportional to 9,771.60, 14,657.40 and 5,397.60

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Solution

The fourth proportional to 9,771.60, 14,657.40 and 5,397.60 is: 8,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.60 : 14,657.40 = 5,397.60 : x
  2. Step 2: Convert to fraction form
    9,771.60/14,657.40 = 5,397.60/x
  3. Step 3: Cross multiply
    9,771.60x = 14,657.40 × 5,397.60
  4. Step 4: Simplify right side
    9,771.60x = 79,114,782.24
  5. Step 5: Solve for x
    x = 79,114,782.24/9,771.60
  6. Step 6: Final answer
    x = 8,096.40

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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.