Home / 20,100.09-30,154.73-6,952.45

Finding the Fourth Proportional to 20,100.09, 30,154.73 and 6,952.45

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Solution

The fourth proportional to 20,100.09, 30,154.73 and 6,952.45 is: 10,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.09 : 30,154.73 = 6,952.45 : x
  2. Step 2: Convert to fraction form
    20,100.09/30,154.73 = 6,952.45/x
  3. Step 3: Cross multiply
    20,100.09x = 30,154.73 × 6,952.45
  4. Step 4: Simplify right side
    20,100.09x = 209,649,345.36
  5. Step 5: Solve for x
    x = 209,649,345.36/20,100.09
  6. Step 6: Final answer
    x = 10,430.27

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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.