Home / 12,746.50-19,125.11-6,418.08

Finding the Fourth Proportional to 12,746.50, 19,125.11 and 6,418.08

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Solution

The fourth proportional to 12,746.50, 19,125.11 and 6,418.08 is: 9,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.50 : 19,125.11 = 6,418.08 : x
  2. Step 2: Convert to fraction form
    12,746.50/19,125.11 = 6,418.08/x
  3. Step 3: Cross multiply
    12,746.50x = 19,125.11 × 6,418.08
  4. Step 4: Simplify right side
    12,746.50x = 122,746,502.03
  5. Step 5: Solve for x
    x = 122,746,502.03/12,746.50
  6. Step 6: Final answer
    x = 9,629.82

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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.