Home / 15,609.26-21,543.39-9,946.60

Finding the Fourth Proportional to 15,609.26, 21,543.39 and 9,946.60

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Solution

The fourth proportional to 15,609.26, 21,543.39 and 9,946.60 is: 13,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.26 : 21,543.39 = 9,946.60 : x
  2. Step 2: Convert to fraction form
    15,609.26/21,543.39 = 9,946.60/x
  3. Step 3: Cross multiply
    15,609.26x = 21,543.39 × 9,946.60
  4. Step 4: Simplify right side
    15,609.26x = 214,283,457.09
  5. Step 5: Solve for x
    x = 214,283,457.09/15,609.26
  6. Step 6: Final answer
    x = 13,727.97

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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.