Home / 12,743.61-19,093.84-7,802.93

Finding the Fourth Proportional to 12,743.61, 19,093.84 and 7,802.93

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Solution

The fourth proportional to 12,743.61, 19,093.84 and 7,802.93 is: 11,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.61 : 19,093.84 = 7,802.93 : x
  2. Step 2: Convert to fraction form
    12,743.61/19,093.84 = 7,802.93/x
  3. Step 3: Cross multiply
    12,743.61x = 19,093.84 × 7,802.93
  4. Step 4: Simplify right side
    12,743.61x = 148,987,829.71
  5. Step 5: Solve for x
    x = 148,987,829.71/12,743.61
  6. Step 6: Final answer
    x = 11,691.18

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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.