Home / 16,779.12-25,170.66-5,092.44

Finding the Fourth Proportional to 16,779.12, 25,170.66 and 5,092.44

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Solution

The fourth proportional to 16,779.12, 25,170.66 and 5,092.44 is: 7,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.12 : 25,170.66 = 5,092.44 : x
  2. Step 2: Convert to fraction form
    16,779.12/25,170.66 = 5,092.44/x
  3. Step 3: Cross multiply
    16,779.12x = 25,170.66 × 5,092.44
  4. Step 4: Simplify right side
    16,779.12x = 128,180,075.81
  5. Step 5: Solve for x
    x = 128,180,075.81/16,779.12
  6. Step 6: Final answer
    x = 7,639.26

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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.