Home / 18,754.25-28,117.37-6,266.88

Finding the Fourth Proportional to 18,754.25, 28,117.37 and 6,266.88

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Solution

The fourth proportional to 18,754.25, 28,117.37 and 6,266.88 is: 9,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.25 : 28,117.37 = 6,266.88 : x
  2. Step 2: Convert to fraction form
    18,754.25/28,117.37 = 6,266.88/x
  3. Step 3: Cross multiply
    18,754.25x = 28,117.37 × 6,266.88
  4. Step 4: Simplify right side
    18,754.25x = 176,208,152.37
  5. Step 5: Solve for x
    x = 176,208,152.37/18,754.25
  6. Step 6: Final answer
    x = 9,395.64

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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.