Home / 13,764.84-18,994.23-7,714.95

Finding the Fourth Proportional to 13,764.84, 18,994.23 and 7,714.95

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Solution

The fourth proportional to 13,764.84, 18,994.23 and 7,714.95 is: 10,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.84 : 18,994.23 = 7,714.95 : x
  2. Step 2: Convert to fraction form
    13,764.84/18,994.23 = 7,714.95/x
  3. Step 3: Cross multiply
    13,764.84x = 18,994.23 × 7,714.95
  4. Step 4: Simplify right side
    13,764.84x = 146,539,534.74
  5. Step 5: Solve for x
    x = 146,539,534.74/13,764.84
  6. Step 6: Final answer
    x = 10,645.93

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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.