Home / 12,240.95-16,897.68-8,267.44

Finding the Fourth Proportional to 12,240.95, 16,897.68 and 8,267.44

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Solution

The fourth proportional to 12,240.95, 16,897.68 and 8,267.44 is: 11,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.95 : 16,897.68 = 8,267.44 : x
  2. Step 2: Convert to fraction form
    12,240.95/16,897.68 = 8,267.44/x
  3. Step 3: Cross multiply
    12,240.95x = 16,897.68 × 8,267.44
  4. Step 4: Simplify right side
    12,240.95x = 139,700,598.24
  5. Step 5: Solve for x
    x = 139,700,598.24/12,240.95
  6. Step 6: Final answer
    x = 11,412.56

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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.