Home / 14,122.84-21,184.81-4,262.12

Finding the Fourth Proportional to 14,122.84, 21,184.81 and 4,262.12

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Solution

The fourth proportional to 14,122.84, 21,184.81 and 4,262.12 is: 6,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.84 : 21,184.81 = 4,262.12 : x
  2. Step 2: Convert to fraction form
    14,122.84/21,184.81 = 4,262.12/x
  3. Step 3: Cross multiply
    14,122.84x = 21,184.81 × 4,262.12
  4. Step 4: Simplify right side
    14,122.84x = 90,292,202.40
  5. Step 5: Solve for x
    x = 90,292,202.40/14,122.84
  6. Step 6: Final answer
    x = 6,393.35

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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.