Home / 13,017.34-19,533.78-11,958.61

Finding the Fourth Proportional to 13,017.34, 19,533.78 and 11,958.61

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Solution

The fourth proportional to 13,017.34, 19,533.78 and 11,958.61 is: 17,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.34 : 19,533.78 = 11,958.61 : x
  2. Step 2: Convert to fraction form
    13,017.34/19,533.78 = 11,958.61/x
  3. Step 3: Cross multiply
    13,017.34x = 19,533.78 × 11,958.61
  4. Step 4: Simplify right side
    13,017.34x = 233,596,856.85
  5. Step 5: Solve for x
    x = 233,596,856.85/13,017.34
  6. Step 6: Final answer
    x = 17,945.05

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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.