Home / 17,820.63-26,740.06-11,901.55

Finding the Fourth Proportional to 17,820.63, 26,740.06 and 11,901.55

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Solution

The fourth proportional to 17,820.63, 26,740.06 and 11,901.55 is: 17,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.63 : 26,740.06 = 11,901.55 : x
  2. Step 2: Convert to fraction form
    17,820.63/26,740.06 = 11,901.55/x
  3. Step 3: Cross multiply
    17,820.63x = 26,740.06 × 11,901.55
  4. Step 4: Simplify right side
    17,820.63x = 318,248,161.09
  5. Step 5: Solve for x
    x = 318,248,161.09/17,820.63
  6. Step 6: Final answer
    x = 17,858.41

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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.