Home / 10,829.10-16,239.60-7,532.40

Finding the Fourth Proportional to 10,829.10, 16,239.60 and 7,532.40

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Solution

The fourth proportional to 10,829.10, 16,239.60 and 7,532.40 is: 11,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.10 : 16,239.60 = 7,532.40 : x
  2. Step 2: Convert to fraction form
    10,829.10/16,239.60 = 7,532.40/x
  3. Step 3: Cross multiply
    10,829.10x = 16,239.60 × 7,532.40
  4. Step 4: Simplify right side
    10,829.10x = 122,323,163.04
  5. Step 5: Solve for x
    x = 122,323,163.04/10,829.10
  6. Step 6: Final answer
    x = 11,295.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.