Home / 12,852.84-19,162.18-12,529.65

Finding the Fourth Proportional to 12,852.84, 19,162.18 and 12,529.65

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Solution

The fourth proportional to 12,852.84, 19,162.18 and 12,529.65 is: 18,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.84 : 19,162.18 = 12,529.65 : x
  2. Step 2: Convert to fraction form
    12,852.84/19,162.18 = 12,529.65/x
  3. Step 3: Cross multiply
    12,852.84x = 19,162.18 × 12,529.65
  4. Step 4: Simplify right side
    12,852.84x = 240,095,377.31
  5. Step 5: Solve for x
    x = 240,095,377.31/12,852.84
  6. Step 6: Final answer
    x = 18,680.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.