Home / 13,968.13-20,927.58-7,379.77

Finding the Fourth Proportional to 13,968.13, 20,927.58 and 7,379.77

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Solution

The fourth proportional to 13,968.13, 20,927.58 and 7,379.77 is: 11,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.13 : 20,927.58 = 7,379.77 : x
  2. Step 2: Convert to fraction form
    13,968.13/20,927.58 = 7,379.77/x
  3. Step 3: Cross multiply
    13,968.13x = 20,927.58 × 7,379.77
  4. Step 4: Simplify right side
    13,968.13x = 154,440,727.06
  5. Step 5: Solve for x
    x = 154,440,727.06/13,968.13
  6. Step 6: Final answer
    x = 11,056.65

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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.