Home / 20,559.58-30,841.54-6,521.60

Finding the Fourth Proportional to 20,559.58, 30,841.54 and 6,521.60

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Solution

The fourth proportional to 20,559.58, 30,841.54 and 6,521.60 is: 9,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.58 : 30,841.54 = 6,521.60 : x
  2. Step 2: Convert to fraction form
    20,559.58/30,841.54 = 6,521.60/x
  3. Step 3: Cross multiply
    20,559.58x = 30,841.54 × 6,521.60
  4. Step 4: Simplify right side
    20,559.58x = 201,136,187.26
  5. Step 5: Solve for x
    x = 201,136,187.26/20,559.58
  6. Step 6: Final answer
    x = 9,783.09

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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.