Home / 19,003.95-26,208.36-12,282.51

Finding the Fourth Proportional to 19,003.95, 26,208.36 and 12,282.51

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Solution

The fourth proportional to 19,003.95, 26,208.36 and 12,282.51 is: 16,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.95 : 26,208.36 = 12,282.51 : x
  2. Step 2: Convert to fraction form
    19,003.95/26,208.36 = 12,282.51/x
  3. Step 3: Cross multiply
    19,003.95x = 26,208.36 × 12,282.51
  4. Step 4: Simplify right side
    19,003.95x = 321,904,443.78
  5. Step 5: Solve for x
    x = 321,904,443.78/19,003.95
  6. Step 6: Final answer
    x = 16,938.82

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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.