Home / 14,282.48-21,423.72-3,895.76

Finding the Fourth Proportional to 14,282.48, 21,423.72 and 3,895.76

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Solution

The fourth proportional to 14,282.48, 21,423.72 and 3,895.76 is: 5,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.48 : 21,423.72 = 3,895.76 : x
  2. Step 2: Convert to fraction form
    14,282.48/21,423.72 = 3,895.76/x
  3. Step 3: Cross multiply
    14,282.48x = 21,423.72 × 3,895.76
  4. Step 4: Simplify right side
    14,282.48x = 83,461,671.43
  5. Step 5: Solve for x
    x = 83,461,671.43/14,282.48
  6. Step 6: Final answer
    x = 5,843.64

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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.