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Finding the Fourth Proportional to 14,052.65, 19,392.83 and 7,679.19

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Solution

The fourth proportional to 14,052.65, 19,392.83 and 7,679.19 is: 10,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.65 : 19,392.83 = 7,679.19 : x
  2. Step 2: Convert to fraction form
    14,052.65/19,392.83 = 7,679.19/x
  3. Step 3: Cross multiply
    14,052.65x = 19,392.83 × 7,679.19
  4. Step 4: Simplify right side
    14,052.65x = 148,921,187.81
  5. Step 5: Solve for x
    x = 148,921,187.81/14,052.65
  6. Step 6: Final answer
    x = 10,597.38

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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.