Home / 15,038.96-20,759.22-8,751.33

Finding the Fourth Proportional to 15,038.96, 20,759.22 and 8,751.33

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Solution

The fourth proportional to 15,038.96, 20,759.22 and 8,751.33 is: 12,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.96 : 20,759.22 = 8,751.33 : x
  2. Step 2: Convert to fraction form
    15,038.96/20,759.22 = 8,751.33/x
  3. Step 3: Cross multiply
    15,038.96x = 20,759.22 × 8,751.33
  4. Step 4: Simplify right side
    15,038.96x = 181,670,784.76
  5. Step 5: Solve for x
    x = 181,670,784.76/15,038.96
  6. Step 6: Final answer
    x = 12,080.01

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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.