Home / 12,674.20-19,011.30-11,264.80

Finding the Fourth Proportional to 12,674.20, 19,011.30 and 11,264.80

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Solution

The fourth proportional to 12,674.20, 19,011.30 and 11,264.80 is: 16,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.20 : 19,011.30 = 11,264.80 : x
  2. Step 2: Convert to fraction form
    12,674.20/19,011.30 = 11,264.80/x
  3. Step 3: Cross multiply
    12,674.20x = 19,011.30 × 11,264.80
  4. Step 4: Simplify right side
    12,674.20x = 214,158,492.24
  5. Step 5: Solve for x
    x = 214,158,492.24/12,674.20
  6. Step 6: Final answer
    x = 16,897.20

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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.