Home / 19,118.31-28,676.45-5,969.18

Finding the Fourth Proportional to 19,118.31, 28,676.45 and 5,969.18

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Solution

The fourth proportional to 19,118.31, 28,676.45 and 5,969.18 is: 8,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.31 : 28,676.45 = 5,969.18 : x
  2. Step 2: Convert to fraction form
    19,118.31/28,676.45 = 5,969.18/x
  3. Step 3: Cross multiply
    19,118.31x = 28,676.45 × 5,969.18
  4. Step 4: Simplify right side
    19,118.31x = 171,174,891.81
  5. Step 5: Solve for x
    x = 171,174,891.81/19,118.31
  6. Step 6: Final answer
    x = 8,953.45

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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.