Home / 19,076.40-28,617.66-9,216.45

Finding the Fourth Proportional to 19,076.40, 28,617.66 and 9,216.45

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Solution

The fourth proportional to 19,076.40, 28,617.66 and 9,216.45 is: 13,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.40 : 28,617.66 = 9,216.45 : x
  2. Step 2: Convert to fraction form
    19,076.40/28,617.66 = 9,216.45/x
  3. Step 3: Cross multiply
    19,076.40x = 28,617.66 × 9,216.45
  4. Step 4: Simplify right side
    19,076.40x = 263,753,232.51
  5. Step 5: Solve for x
    x = 263,753,232.51/19,076.40
  6. Step 6: Final answer
    x = 13,826.15

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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.