Home / 20,284.66-30,430.23-8,597.98

Finding the Fourth Proportional to 20,284.66, 30,430.23 and 8,597.98

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Solution

The fourth proportional to 20,284.66, 30,430.23 and 8,597.98 is: 12,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.66 : 30,430.23 = 8,597.98 : x
  2. Step 2: Convert to fraction form
    20,284.66/30,430.23 = 8,597.98/x
  3. Step 3: Cross multiply
    20,284.66x = 30,430.23 × 8,597.98
  4. Step 4: Simplify right side
    20,284.66x = 261,638,508.94
  5. Step 5: Solve for x
    x = 261,638,508.94/20,284.66
  6. Step 6: Final answer
    x = 12,898.34

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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.