Home / 12,113.08-16,726.98-7,644.76

Finding the Fourth Proportional to 12,113.08, 16,726.98 and 7,644.76

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Solution

The fourth proportional to 12,113.08, 16,726.98 and 7,644.76 is: 10,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.08 : 16,726.98 = 7,644.76 : x
  2. Step 2: Convert to fraction form
    12,113.08/16,726.98 = 7,644.76/x
  3. Step 3: Cross multiply
    12,113.08x = 16,726.98 × 7,644.76
  4. Step 4: Simplify right side
    12,113.08x = 127,873,747.62
  5. Step 5: Solve for x
    x = 127,873,747.62/12,113.08
  6. Step 6: Final answer
    x = 10,556.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.