Home / 18,950.15-28,449.83-14,570.69

Finding the Fourth Proportional to 18,950.15, 28,449.83 and 14,570.69

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Solution

The fourth proportional to 18,950.15, 28,449.83 and 14,570.69 is: 21,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.15 : 28,449.83 = 14,570.69 : x
  2. Step 2: Convert to fraction form
    18,950.15/28,449.83 = 14,570.69/x
  3. Step 3: Cross multiply
    18,950.15x = 28,449.83 × 14,570.69
  4. Step 4: Simplify right side
    18,950.15x = 414,533,547.66
  5. Step 5: Solve for x
    x = 414,533,547.66/18,950.15
  6. Step 6: Final answer
    x = 21,874.95

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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.