Home / 14,281.48-21,421.58-3,893.22

Finding the Fourth Proportional to 14,281.48, 21,421.58 and 3,893.22

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Solution

The fourth proportional to 14,281.48, 21,421.58 and 3,893.22 is: 5,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.48 : 21,421.58 = 3,893.22 : x
  2. Step 2: Convert to fraction form
    14,281.48/21,421.58 = 3,893.22/x
  3. Step 3: Cross multiply
    14,281.48x = 21,421.58 × 3,893.22
  4. Step 4: Simplify right side
    14,281.48x = 83,398,923.69
  5. Step 5: Solve for x
    x = 83,398,923.69/14,281.48
  6. Step 6: Final answer
    x = 5,839.66

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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.