Home / 14,240.79-21,364.03-4,379.70

Finding the Fourth Proportional to 14,240.79, 21,364.03 and 4,379.70

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Solution

The fourth proportional to 14,240.79, 21,364.03 and 4,379.70 is: 6,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.79 : 21,364.03 = 4,379.70 : x
  2. Step 2: Convert to fraction form
    14,240.79/21,364.03 = 4,379.70/x
  3. Step 3: Cross multiply
    14,240.79x = 21,364.03 × 4,379.70
  4. Step 4: Simplify right side
    14,240.79x = 93,567,935.20
  5. Step 5: Solve for x
    x = 93,567,935.20/14,240.79
  6. Step 6: Final answer
    x = 6,570.42

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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.