Home / 13,459.91-20,189.88-4,694.60

Finding the Fourth Proportional to 13,459.91, 20,189.88 and 4,694.60

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Solution

The fourth proportional to 13,459.91, 20,189.88 and 4,694.60 is: 7,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.91 : 20,189.88 = 4,694.60 : x
  2. Step 2: Convert to fraction form
    13,459.91/20,189.88 = 4,694.60/x
  3. Step 3: Cross multiply
    13,459.91x = 20,189.88 × 4,694.60
  4. Step 4: Simplify right side
    13,459.91x = 94,783,410.65
  5. Step 5: Solve for x
    x = 94,783,410.65/13,459.91
  6. Step 6: Final answer
    x = 7,041.91

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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.