Home / 20,273.93-30,407.59-7,123.23

Finding the Fourth Proportional to 20,273.93, 30,407.59 and 7,123.23

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Solution

The fourth proportional to 20,273.93, 30,407.59 and 7,123.23 is: 10,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.93 : 30,407.59 = 7,123.23 : x
  2. Step 2: Convert to fraction form
    20,273.93/30,407.59 = 7,123.23/x
  3. Step 3: Cross multiply
    20,273.93x = 30,407.59 × 7,123.23
  4. Step 4: Simplify right side
    20,273.93x = 216,600,266.22
  5. Step 5: Solve for x
    x = 216,600,266.22/20,273.93
  6. Step 6: Final answer
    x = 10,683.68

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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.