Home / 20,580.96-30,867.12-6,726.72

Finding the Fourth Proportional to 20,580.96, 30,867.12 and 6,726.72

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Solution

The fourth proportional to 20,580.96, 30,867.12 and 6,726.72 is: 10,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580.96 : 30,867.12 = 6,726.72 : x
  2. Step 2: Convert to fraction form
    20,580.96/30,867.12 = 6,726.72/x
  3. Step 3: Cross multiply
    20,580.96x = 30,867.12 × 6,726.72
  4. Step 4: Simplify right side
    20,580.96x = 207,634,473.45
  5. Step 5: Solve for x
    x = 207,634,473.45/20,580.96
  6. Step 6: Final answer
    x = 10,088.67

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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.