Home / 9,829.08-13,564.38-5,353.08

Finding the Fourth Proportional to 9,829.08, 13,564.38 and 5,353.08

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Solution

The fourth proportional to 9,829.08, 13,564.38 and 5,353.08 is: 7,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.08 : 13,564.38 = 5,353.08 : x
  2. Step 2: Convert to fraction form
    9,829.08/13,564.38 = 5,353.08/x
  3. Step 3: Cross multiply
    9,829.08x = 13,564.38 × 5,353.08
  4. Step 4: Simplify right side
    9,829.08x = 72,611,175.82
  5. Step 5: Solve for x
    x = 72,611,175.82/9,829.08
  6. Step 6: Final answer
    x = 7,387.38

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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.