Home / 12,252.08-16,888.20-8,271.92

Finding the Fourth Proportional to 12,252.08, 16,888.20 and 8,271.92

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Solution

The fourth proportional to 12,252.08, 16,888.20 and 8,271.92 is: 11,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.08 : 16,888.20 = 8,271.92 : x
  2. Step 2: Convert to fraction form
    12,252.08/16,888.20 = 8,271.92/x
  3. Step 3: Cross multiply
    12,252.08x = 16,888.20 × 8,271.92
  4. Step 4: Simplify right side
    12,252.08x = 139,697,839.34
  5. Step 5: Solve for x
    x = 139,697,839.34/12,252.08
  6. Step 6: Final answer
    x = 11,401.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.