Home / 19,783.07-29,671.41-7,308.97

Finding the Fourth Proportional to 19,783.07, 29,671.41 and 7,308.97

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Solution

The fourth proportional to 19,783.07, 29,671.41 and 7,308.97 is: 10,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.07 : 29,671.41 = 7,308.97 : x
  2. Step 2: Convert to fraction form
    19,783.07/29,671.41 = 7,308.97/x
  3. Step 3: Cross multiply
    19,783.07x = 29,671.41 × 7,308.97
  4. Step 4: Simplify right side
    19,783.07x = 216,867,398.78
  5. Step 5: Solve for x
    x = 216,867,398.78/19,783.07
  6. Step 6: Final answer
    x = 10,962.27

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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.