Home / 13,566.35-20,357.53-5,247.05

Finding the Fourth Proportional to 13,566.35, 20,357.53 and 5,247.05

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Solution

The fourth proportional to 13,566.35, 20,357.53 and 5,247.05 is: 7,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.35 : 20,357.53 = 5,247.05 : x
  2. Step 2: Convert to fraction form
    13,566.35/20,357.53 = 5,247.05/x
  3. Step 3: Cross multiply
    13,566.35x = 20,357.53 × 5,247.05
  4. Step 4: Simplify right side
    13,566.35x = 106,816,862.88
  5. Step 5: Solve for x
    x = 106,816,862.88/13,566.35
  6. Step 6: Final answer
    x = 7,873.66

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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.