Home / 10,629.28-14,668.02-5,913.46

Finding the Fourth Proportional to 10,629.28, 14,668.02 and 5,913.46

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Solution

The fourth proportional to 10,629.28, 14,668.02 and 5,913.46 is: 8,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.28 : 14,668.02 = 5,913.46 : x
  2. Step 2: Convert to fraction form
    10,629.28/14,668.02 = 5,913.46/x
  3. Step 3: Cross multiply
    10,629.28x = 14,668.02 × 5,913.46
  4. Step 4: Simplify right side
    10,629.28x = 86,738,749.55
  5. Step 5: Solve for x
    x = 86,738,749.55/10,629.28
  6. Step 6: Final answer
    x = 8,160.36

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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.