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Finding the Fourth Proportional to 14,379.93, 21,560.94 and 6,055.65

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Solution

The fourth proportional to 14,379.93, 21,560.94 and 6,055.65 is: 9,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.93 : 21,560.94 = 6,055.65 : x
  2. Step 2: Convert to fraction form
    14,379.93/21,560.94 = 6,055.65/x
  3. Step 3: Cross multiply
    14,379.93x = 21,560.94 × 6,055.65
  4. Step 4: Simplify right side
    14,379.93x = 130,565,506.31
  5. Step 5: Solve for x
    x = 130,565,506.31/14,379.93
  6. Step 6: Final answer
    x = 9,079.70

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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.