Home / 11,205.34-15,462.03-6,488.98

Finding the Fourth Proportional to 11,205.34, 15,462.03 and 6,488.98

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Solution

The fourth proportional to 11,205.34, 15,462.03 and 6,488.98 is: 8,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.34 : 15,462.03 = 6,488.98 : x
  2. Step 2: Convert to fraction form
    11,205.34/15,462.03 = 6,488.98/x
  3. Step 3: Cross multiply
    11,205.34x = 15,462.03 × 6,488.98
  4. Step 4: Simplify right side
    11,205.34x = 100,332,803.43
  5. Step 5: Solve for x
    x = 100,332,803.43/11,205.34
  6. Step 6: Final answer
    x = 8,954.02

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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.