Home / 9,801.18-13,531.26-6,453.72

Finding the Fourth Proportional to 9,801.18, 13,531.26 and 6,453.72

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Solution

The fourth proportional to 9,801.18, 13,531.26 and 6,453.72 is: 8,909.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.18 : 13,531.26 = 6,453.72 : x
  2. Step 2: Convert to fraction form
    9,801.18/13,531.26 = 6,453.72/x
  3. Step 3: Cross multiply
    9,801.18x = 13,531.26 × 6,453.72
  4. Step 4: Simplify right side
    9,801.18x = 87,326,963.29
  5. Step 5: Solve for x
    x = 87,326,963.29/9,801.18
  6. Step 6: Final answer
    x = 8,909.84

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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.