Home / 12,631.69-18,948.51-7,367.23

Finding the Fourth Proportional to 12,631.69, 18,948.51 and 7,367.23

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Solution

The fourth proportional to 12,631.69, 18,948.51 and 7,367.23 is: 11,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.69 : 18,948.51 = 7,367.23 : x
  2. Step 2: Convert to fraction form
    12,631.69/18,948.51 = 7,367.23/x
  3. Step 3: Cross multiply
    12,631.69x = 18,948.51 × 7,367.23
  4. Step 4: Simplify right side
    12,631.69x = 139,597,994.49
  5. Step 5: Solve for x
    x = 139,597,994.49/12,631.69
  6. Step 6: Final answer
    x = 11,051.41

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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.