Home / 9,711.20-14,577.60-7,529.60

Finding the Fourth Proportional to 9,711.20, 14,577.60 and 7,529.60

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Solution

The fourth proportional to 9,711.20, 14,577.60 and 7,529.60 is: 11,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.20 : 14,577.60 = 7,529.60 : x
  2. Step 2: Convert to fraction form
    9,711.20/14,577.60 = 7,529.60/x
  3. Step 3: Cross multiply
    9,711.20x = 14,577.60 × 7,529.60
  4. Step 4: Simplify right side
    9,711.20x = 109,763,496.96
  5. Step 5: Solve for x
    x = 109,763,496.96/9,711.20
  6. Step 6: Final answer
    x = 11,302.77

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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.