Home / 15,932.63-22,009.52-12,766.95

Finding the Fourth Proportional to 15,932.63, 22,009.52 and 12,766.95

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Solution

The fourth proportional to 15,932.63, 22,009.52 and 12,766.95 is: 17,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.63 : 22,009.52 = 12,766.95 : x
  2. Step 2: Convert to fraction form
    15,932.63/22,009.52 = 12,766.95/x
  3. Step 3: Cross multiply
    15,932.63x = 22,009.52 × 12,766.95
  4. Step 4: Simplify right side
    15,932.63x = 280,994,441.36
  5. Step 5: Solve for x
    x = 280,994,441.36/15,932.63
  6. Step 6: Final answer
    x = 17,636.41

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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.