Home / 15,077.53-20,808.27-8,365.32

Finding the Fourth Proportional to 15,077.53, 20,808.27 and 8,365.32

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Solution

The fourth proportional to 15,077.53, 20,808.27 and 8,365.32 is: 11,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.53 : 20,808.27 = 8,365.32 : x
  2. Step 2: Convert to fraction form
    15,077.53/20,808.27 = 8,365.32/x
  3. Step 3: Cross multiply
    15,077.53x = 20,808.27 × 8,365.32
  4. Step 4: Simplify right side
    15,077.53x = 174,067,837.20
  5. Step 5: Solve for x
    x = 174,067,837.20/15,077.53
  6. Step 6: Final answer
    x = 11,544.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.