Home / 19,027.74-28,529.46-9,147.36

Finding the Fourth Proportional to 19,027.74, 28,529.46 and 9,147.36

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Solution

The fourth proportional to 19,027.74, 28,529.46 and 9,147.36 is: 13,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.74 : 28,529.46 = 9,147.36 : x
  2. Step 2: Convert to fraction form
    19,027.74/28,529.46 = 9,147.36/x
  3. Step 3: Cross multiply
    19,027.74x = 28,529.46 × 9,147.36
  4. Step 4: Simplify right side
    19,027.74x = 260,969,241.23
  5. Step 5: Solve for x
    x = 260,969,241.23/19,027.74
  6. Step 6: Final answer
    x = 13,715.20

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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.