Home / 12,746.98-19,098.90-7,806.30

Finding the Fourth Proportional to 12,746.98, 19,098.90 and 7,806.30

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Solution

The fourth proportional to 12,746.98, 19,098.90 and 7,806.30 is: 11,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.98 : 19,098.90 = 7,806.30 : x
  2. Step 2: Convert to fraction form
    12,746.98/19,098.90 = 7,806.30/x
  3. Step 3: Cross multiply
    12,746.98x = 19,098.90 × 7,806.30
  4. Step 4: Simplify right side
    12,746.98x = 149,091,743.07
  5. Step 5: Solve for x
    x = 149,091,743.07/12,746.98
  6. Step 6: Final answer
    x = 11,696.24

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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.