Home / 14,326.20-19,780.20-9,293.40

Finding the Fourth Proportional to 14,326.20, 19,780.20 and 9,293.40

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Solution

The fourth proportional to 14,326.20, 19,780.20 and 9,293.40 is: 12,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.20 : 19,780.20 = 9,293.40 : x
  2. Step 2: Convert to fraction form
    14,326.20/19,780.20 = 9,293.40/x
  3. Step 3: Cross multiply
    14,326.20x = 19,780.20 × 9,293.40
  4. Step 4: Simplify right side
    14,326.20x = 183,825,310.68
  5. Step 5: Solve for x
    x = 183,825,310.68/14,326.20
  6. Step 6: Final answer
    x = 12,831.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.