Home / 12,764.84-19,142-4,870.23

Finding the Fourth Proportional to 12,764.84, 19,142 and 4,870.23

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Solution

The fourth proportional to 12,764.84, 19,142 and 4,870.23 is: 7,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.84 : 19,142 = 4,870.23 : x
  2. Step 2: Convert to fraction form
    12,764.84/19,142 = 4,870.23/x
  3. Step 3: Cross multiply
    12,764.84x = 19,142 × 4,870.23
  4. Step 4: Simplify right side
    12,764.84x = 93,225,942.66
  5. Step 5: Solve for x
    x = 93,225,942.66/12,764.84
  6. Step 6: Final answer
    x = 7,303.34

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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.