Home / 20,393.22-30,606.23-10,535.32

Finding the Fourth Proportional to 20,393.22, 30,606.23 and 10,535.32

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Solution

The fourth proportional to 20,393.22, 30,606.23 and 10,535.32 is: 15,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393.22 : 30,606.23 = 10,535.32 : x
  2. Step 2: Convert to fraction form
    20,393.22/30,606.23 = 10,535.32/x
  3. Step 3: Cross multiply
    20,393.22x = 30,606.23 × 10,535.32
  4. Step 4: Simplify right side
    20,393.22x = 322,446,427.04
  5. Step 5: Solve for x
    x = 322,446,427.04/20,393.22
  6. Step 6: Final answer
    x = 15,811.45

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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.