Home / 20,653.36-30,984.44-5,866.80

Finding the Fourth Proportional to 20,653.36, 30,984.44 and 5,866.80

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Solution

The fourth proportional to 20,653.36, 30,984.44 and 5,866.80 is: 8,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653.36 : 30,984.44 = 5,866.80 : x
  2. Step 2: Convert to fraction form
    20,653.36/30,984.44 = 5,866.80/x
  3. Step 3: Cross multiply
    20,653.36x = 30,984.44 × 5,866.80
  4. Step 4: Simplify right side
    20,653.36x = 181,779,512.59
  5. Step 5: Solve for x
    x = 181,779,512.59/20,653.36
  6. Step 6: Final answer
    x = 8,801.45

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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.