Home / 18,700.03-28,042.08-6,216.72

Finding the Fourth Proportional to 18,700.03, 28,042.08 and 6,216.72

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Solution

The fourth proportional to 18,700.03, 28,042.08 and 6,216.72 is: 9,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.03 : 28,042.08 = 6,216.72 : x
  2. Step 2: Convert to fraction form
    18,700.03/28,042.08 = 6,216.72/x
  3. Step 3: Cross multiply
    18,700.03x = 28,042.08 × 6,216.72
  4. Step 4: Simplify right side
    18,700.03x = 174,329,759.58
  5. Step 5: Solve for x
    x = 174,329,759.58/18,700.03
  6. Step 6: Final answer
    x = 9,322.43

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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.