Home / 19,205.43-28,809.06-9,332.95

Finding the Fourth Proportional to 19,205.43, 28,809.06 and 9,332.95

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Solution

The fourth proportional to 19,205.43, 28,809.06 and 9,332.95 is: 13,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.43 : 28,809.06 = 9,332.95 : x
  2. Step 2: Convert to fraction form
    19,205.43/28,809.06 = 9,332.95/x
  3. Step 3: Cross multiply
    19,205.43x = 28,809.06 × 9,332.95
  4. Step 4: Simplify right side
    19,205.43x = 268,873,516.53
  5. Step 5: Solve for x
    x = 268,873,516.53/19,205.43
  6. Step 6: Final answer
    x = 13,999.87

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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.