Home / 20,357.25-30,533.43-8,673.81

Finding the Fourth Proportional to 20,357.25, 30,533.43 and 8,673.81

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Solution

The fourth proportional to 20,357.25, 30,533.43 and 8,673.81 is: 13,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.25 : 30,533.43 = 8,673.81 : x
  2. Step 2: Convert to fraction form
    20,357.25/30,533.43 = 8,673.81/x
  3. Step 3: Cross multiply
    20,357.25x = 30,533.43 × 8,673.81
  4. Step 4: Simplify right side
    20,357.25x = 264,841,088.49
  5. Step 5: Solve for x
    x = 264,841,088.49/20,357.25
  6. Step 6: Final answer
    x = 13,009.67

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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.