Home / 12,748.08-19,102.80-6,498.80

Finding the Fourth Proportional to 12,748.08, 19,102.80 and 6,498.80

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Solution

The fourth proportional to 12,748.08, 19,102.80 and 6,498.80 is: 9,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.08 : 19,102.80 = 6,498.80 : x
  2. Step 2: Convert to fraction form
    12,748.08/19,102.80 = 6,498.80/x
  3. Step 3: Cross multiply
    12,748.08x = 19,102.80 × 6,498.80
  4. Step 4: Simplify right side
    12,748.08x = 124,145,276.64
  5. Step 5: Solve for x
    x = 124,145,276.64/12,748.08
  6. Step 6: Final answer
    x = 9,738.35

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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.