Home / 12,852.92-19,300.31-7,953.77

Finding the Fourth Proportional to 12,852.92, 19,300.31 and 7,953.77

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Solution

The fourth proportional to 12,852.92, 19,300.31 and 7,953.77 is: 11,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.92 : 19,300.31 = 7,953.77 : x
  2. Step 2: Convert to fraction form
    12,852.92/19,300.31 = 7,953.77/x
  3. Step 3: Cross multiply
    12,852.92x = 19,300.31 × 7,953.77
  4. Step 4: Simplify right side
    12,852.92x = 153,510,226.67
  5. Step 5: Solve for x
    x = 153,510,226.67/12,852.92
  6. Step 6: Final answer
    x = 11,943.61

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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.