Home / 12,298.87-18,448.43-3,533.79

Finding the Fourth Proportional to 12,298.87, 18,448.43 and 3,533.79

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Solution

The fourth proportional to 12,298.87, 18,448.43 and 3,533.79 is: 5,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.87 : 18,448.43 = 3,533.79 : x
  2. Step 2: Convert to fraction form
    12,298.87/18,448.43 = 3,533.79/x
  3. Step 3: Cross multiply
    12,298.87x = 18,448.43 × 3,533.79
  4. Step 4: Simplify right side
    12,298.87x = 65,192,877.45
  5. Step 5: Solve for x
    x = 65,192,877.45/12,298.87
  6. Step 6: Final answer
    x = 5,300.72

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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.