Home / 18,111.88-27,148.74-10,303.84

Finding the Fourth Proportional to 18,111.88, 27,148.74 and 10,303.84

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Solution

The fourth proportional to 18,111.88, 27,148.74 and 10,303.84 is: 15,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.88 : 27,148.74 = 10,303.84 : x
  2. Step 2: Convert to fraction form
    18,111.88/27,148.74 = 10,303.84/x
  3. Step 3: Cross multiply
    18,111.88x = 27,148.74 × 10,303.84
  4. Step 4: Simplify right side
    18,111.88x = 279,736,273.16
  5. Step 5: Solve for x
    x = 279,736,273.16/18,111.88
  6. Step 6: Final answer
    x = 15,444.91

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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.