Home / 19,630.52-27,090.58-10,678.60

Finding the Fourth Proportional to 19,630.52, 27,090.58 and 10,678.60

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Solution

The fourth proportional to 19,630.52, 27,090.58 and 10,678.60 is: 14,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.52 : 27,090.58 = 10,678.60 : x
  2. Step 2: Convert to fraction form
    19,630.52/27,090.58 = 10,678.60/x
  3. Step 3: Cross multiply
    19,630.52x = 27,090.58 × 10,678.60
  4. Step 4: Simplify right side
    19,630.52x = 289,289,467.59
  5. Step 5: Solve for x
    x = 289,289,467.59/19,630.52
  6. Step 6: Final answer
    x = 14,736.72

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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.