Home / 20,554.59-30,830.81-5,764.53

Finding the Fourth Proportional to 20,554.59, 30,830.81 and 5,764.53

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Solution

The fourth proportional to 20,554.59, 30,830.81 and 5,764.53 is: 8,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.59 : 30,830.81 = 5,764.53 : x
  2. Step 2: Convert to fraction form
    20,554.59/30,830.81 = 5,764.53/x
  3. Step 3: Cross multiply
    20,554.59x = 30,830.81 × 5,764.53
  4. Step 4: Simplify right side
    20,554.59x = 177,725,100.35
  5. Step 5: Solve for x
    x = 177,725,100.35/20,554.59
  6. Step 6: Final answer
    x = 8,646.49

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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.