Home / 9,138.64-13,699.68-5,852.56

Finding the Fourth Proportional to 9,138.64, 13,699.68 and 5,852.56

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Solution

The fourth proportional to 9,138.64, 13,699.68 and 5,852.56 is: 8,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.64 : 13,699.68 = 5,852.56 : x
  2. Step 2: Convert to fraction form
    9,138.64/13,699.68 = 5,852.56/x
  3. Step 3: Cross multiply
    9,138.64x = 13,699.68 × 5,852.56
  4. Step 4: Simplify right side
    9,138.64x = 80,178,199.18
  5. Step 5: Solve for x
    x = 80,178,199.18/9,138.64
  6. Step 6: Final answer
    x = 8,773.54

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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.