Home / 14,254.36-21,382.68-4,890.61

Finding the Fourth Proportional to 14,254.36, 21,382.68 and 4,890.61

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Solution

The fourth proportional to 14,254.36, 21,382.68 and 4,890.61 is: 7,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.36 : 21,382.68 = 4,890.61 : x
  2. Step 2: Convert to fraction form
    14,254.36/21,382.68 = 4,890.61/x
  3. Step 3: Cross multiply
    14,254.36x = 21,382.68 × 4,890.61
  4. Step 4: Simplify right side
    14,254.36x = 104,574,348.63
  5. Step 5: Solve for x
    x = 104,574,348.63/14,254.36
  6. Step 6: Final answer
    x = 7,336.31

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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.