Home / 20,111.07-30,148.13-6,954.24

Finding the Fourth Proportional to 20,111.07, 30,148.13 and 6,954.24

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Solution

The fourth proportional to 20,111.07, 30,148.13 and 6,954.24 is: 10,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.07 : 30,148.13 = 6,954.24 : x
  2. Step 2: Convert to fraction form
    20,111.07/30,148.13 = 6,954.24/x
  3. Step 3: Cross multiply
    20,111.07x = 30,148.13 × 6,954.24
  4. Step 4: Simplify right side
    20,111.07x = 209,657,296.80
  5. Step 5: Solve for x
    x = 209,657,296.80/20,111.07
  6. Step 6: Final answer
    x = 10,424.97

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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.