Home / 20,254.41-30,384.90-8,567.73

Finding the Fourth Proportional to 20,254.41, 30,384.90 and 8,567.73

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Solution

The fourth proportional to 20,254.41, 30,384.90 and 8,567.73 is: 12,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.41 : 30,384.90 = 8,567.73 : x
  2. Step 2: Convert to fraction form
    20,254.41/30,384.90 = 8,567.73/x
  3. Step 3: Cross multiply
    20,254.41x = 30,384.90 × 8,567.73
  4. Step 4: Simplify right side
    20,254.41x = 260,329,619.28
  5. Step 5: Solve for x
    x = 260,329,619.28/20,254.41
  6. Step 6: Final answer
    x = 12,852.98

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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.