Home / 20,071.53-30,106.89-6,923.48

Finding the Fourth Proportional to 20,071.53, 30,106.89 and 6,923.48

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Solution

The fourth proportional to 20,071.53, 30,106.89 and 6,923.48 is: 10,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.53 : 30,106.89 = 6,923.48 : x
  2. Step 2: Convert to fraction form
    20,071.53/30,106.89 = 6,923.48/x
  3. Step 3: Cross multiply
    20,071.53x = 30,106.89 × 6,923.48
  4. Step 4: Simplify right side
    20,071.53x = 208,444,300.24
  5. Step 5: Solve for x
    x = 208,444,300.24/20,071.53
  6. Step 6: Final answer
    x = 10,385.07

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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.