Home / 14,146.47-21,215.27-4,784.75

Finding the Fourth Proportional to 14,146.47, 21,215.27 and 4,784.75

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Solution

The fourth proportional to 14,146.47, 21,215.27 and 4,784.75 is: 7,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.47 : 21,215.27 = 4,784.75 : x
  2. Step 2: Convert to fraction form
    14,146.47/21,215.27 = 4,784.75/x
  3. Step 3: Cross multiply
    14,146.47x = 21,215.27 × 4,784.75
  4. Step 4: Simplify right side
    14,146.47x = 101,509,661.99
  5. Step 5: Solve for x
    x = 101,509,661.99/14,146.47
  6. Step 6: Final answer
    x = 7,175.62

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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.