Home / 13,459.65-20,189.58-4,694.55

Finding the Fourth Proportional to 13,459.65, 20,189.58 and 4,694.55

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Solution

The fourth proportional to 13,459.65, 20,189.58 and 4,694.55 is: 7,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.65 : 20,189.58 = 4,694.55 : x
  2. Step 2: Convert to fraction form
    13,459.65/20,189.58 = 4,694.55/x
  3. Step 3: Cross multiply
    13,459.65x = 20,189.58 × 4,694.55
  4. Step 4: Simplify right side
    13,459.65x = 94,780,992.79
  5. Step 5: Solve for x
    x = 94,780,992.79/13,459.65
  6. Step 6: Final answer
    x = 7,041.86

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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.