Home / 20,068.81-30,093.09-11,751.46

Finding the Fourth Proportional to 20,068.81, 30,093.09 and 11,751.46

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Solution

The fourth proportional to 20,068.81, 30,093.09 and 11,751.46 is: 17,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.81 : 30,093.09 = 11,751.46 : x
  2. Step 2: Convert to fraction form
    20,068.81/30,093.09 = 11,751.46/x
  3. Step 3: Cross multiply
    20,068.81x = 30,093.09 × 11,751.46
  4. Step 4: Simplify right side
    20,068.81x = 353,637,743.41
  5. Step 5: Solve for x
    x = 353,637,743.41/20,068.81
  6. Step 6: Final answer
    x = 17,621.26

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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.