Home / 9,135.51-12,604.82-6,301.98

Finding the Fourth Proportional to 9,135.51, 12,604.82 and 6,301.98

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Solution

The fourth proportional to 9,135.51, 12,604.82 and 6,301.98 is: 8,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.51 : 12,604.82 = 6,301.98 : x
  2. Step 2: Convert to fraction form
    9,135.51/12,604.82 = 6,301.98/x
  3. Step 3: Cross multiply
    9,135.51x = 12,604.82 × 6,301.98
  4. Step 4: Simplify right side
    9,135.51x = 79,435,339.30
  5. Step 5: Solve for x
    x = 79,435,339.30/9,135.51
  6. Step 6: Final answer
    x = 8,695.23

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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.