Home / 20,373.39-30,570.62-8,683.47

Finding the Fourth Proportional to 20,373.39, 30,570.62 and 8,683.47

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Solution

The fourth proportional to 20,373.39, 30,570.62 and 8,683.47 is: 13,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.39 : 30,570.62 = 8,683.47 : x
  2. Step 2: Convert to fraction form
    20,373.39/30,570.62 = 8,683.47/x
  3. Step 3: Cross multiply
    20,373.39x = 30,570.62 × 8,683.47
  4. Step 4: Simplify right side
    20,373.39x = 265,459,018.23
  5. Step 5: Solve for x
    x = 265,459,018.23/20,373.39
  6. Step 6: Final answer
    x = 13,029.69

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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.