Home / 15,268.07-23,006.11-12,555.51

Finding the Fourth Proportional to 15,268.07, 23,006.11 and 12,555.51

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Solution

The fourth proportional to 15,268.07, 23,006.11 and 12,555.51 is: 18,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.07 : 23,006.11 = 12,555.51 : x
  2. Step 2: Convert to fraction form
    15,268.07/23,006.11 = 12,555.51/x
  3. Step 3: Cross multiply
    15,268.07x = 23,006.11 × 12,555.51
  4. Step 4: Simplify right side
    15,268.07x = 288,853,329.14
  5. Step 5: Solve for x
    x = 288,853,329.14/15,268.07
  6. Step 6: Final answer
    x = 18,918.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.