Home / 9,805.34-13,531.51-5,329.09

Finding the Fourth Proportional to 9,805.34, 13,531.51 and 5,329.09

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Solution

The fourth proportional to 9,805.34, 13,531.51 and 5,329.09 is: 7,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.34 : 13,531.51 = 5,329.09 : x
  2. Step 2: Convert to fraction form
    9,805.34/13,531.51 = 5,329.09/x
  3. Step 3: Cross multiply
    9,805.34x = 13,531.51 × 5,329.09
  4. Step 4: Simplify right side
    9,805.34x = 72,110,704.76
  5. Step 5: Solve for x
    x = 72,110,704.76/9,805.34
  6. Step 6: Final answer
    x = 7,354.22

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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.