Home / 18,937.47-26,133.75-11,383.95

Finding the Fourth Proportional to 18,937.47, 26,133.75 and 11,383.95

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Solution

The fourth proportional to 18,937.47, 26,133.75 and 11,383.95 is: 15,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.47 : 26,133.75 = 11,383.95 : x
  2. Step 2: Convert to fraction form
    18,937.47/26,133.75 = 11,383.95/x
  3. Step 3: Cross multiply
    18,937.47x = 26,133.75 × 11,383.95
  4. Step 4: Simplify right side
    18,937.47x = 297,505,303.31
  5. Step 5: Solve for x
    x = 297,505,303.31/18,937.47
  6. Step 6: Final answer
    x = 15,709.88

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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.