Home / 18,827.29-25,986.39-11,275.48

Finding the Fourth Proportional to 18,827.29, 25,986.39 and 11,275.48

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Solution

The fourth proportional to 18,827.29, 25,986.39 and 11,275.48 is: 15,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.29 : 25,986.39 = 11,275.48 : x
  2. Step 2: Convert to fraction form
    18,827.29/25,986.39 = 11,275.48/x
  3. Step 3: Cross multiply
    18,827.29x = 25,986.39 × 11,275.48
  4. Step 4: Simplify right side
    18,827.29x = 293,009,020.72
  5. Step 5: Solve for x
    x = 293,009,020.72/18,827.29
  6. Step 6: Final answer
    x = 15,563.00

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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.