Home / 9,726.12-13,417.38-6,367.72

Finding the Fourth Proportional to 9,726.12, 13,417.38 and 6,367.72

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Solution

The fourth proportional to 9,726.12, 13,417.38 and 6,367.72 is: 8,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.12 : 13,417.38 = 6,367.72 : x
  2. Step 2: Convert to fraction form
    9,726.12/13,417.38 = 6,367.72/x
  3. Step 3: Cross multiply
    9,726.12x = 13,417.38 × 6,367.72
  4. Step 4: Simplify right side
    9,726.12x = 85,438,118.97
  5. Step 5: Solve for x
    x = 85,438,118.97/9,726.12
  6. Step 6: Final answer
    x = 8,784.40

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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.