Home / 15,074.04-20,804.30-8,361.16

Finding the Fourth Proportional to 15,074.04, 20,804.30 and 8,361.16

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Solution

The fourth proportional to 15,074.04, 20,804.30 and 8,361.16 is: 11,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.04 : 20,804.30 = 8,361.16 : x
  2. Step 2: Convert to fraction form
    15,074.04/20,804.30 = 8,361.16/x
  3. Step 3: Cross multiply
    15,074.04x = 20,804.30 × 8,361.16
  4. Step 4: Simplify right side
    15,074.04x = 173,948,080.99
  5. Step 5: Solve for x
    x = 173,948,080.99/15,074.04
  6. Step 6: Final answer
    x = 11,539.58

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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.