Home / 13,533.30-20,298.42-6,415.83

Finding the Fourth Proportional to 13,533.30, 20,298.42 and 6,415.83

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Solution

The fourth proportional to 13,533.30, 20,298.42 and 6,415.83 is: 9,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.30 : 20,298.42 = 6,415.83 : x
  2. Step 2: Convert to fraction form
    13,533.30/20,298.42 = 6,415.83/x
  3. Step 3: Cross multiply
    13,533.30x = 20,298.42 × 6,415.83
  4. Step 4: Simplify right side
    13,533.30x = 130,231,211.99
  5. Step 5: Solve for x
    x = 130,231,211.99/13,533.30
  6. Step 6: Final answer
    x = 9,623.02

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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.