Home / 14,144.04-21,209.58-4,284.36

Finding the Fourth Proportional to 14,144.04, 21,209.58 and 4,284.36

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Solution

The fourth proportional to 14,144.04, 21,209.58 and 4,284.36 is: 6,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.04 : 21,209.58 = 4,284.36 : x
  2. Step 2: Convert to fraction form
    14,144.04/21,209.58 = 4,284.36/x
  3. Step 3: Cross multiply
    14,144.04x = 21,209.58 × 4,284.36
  4. Step 4: Simplify right side
    14,144.04x = 90,869,476.17
  5. Step 5: Solve for x
    x = 90,869,476.17/14,144.04
  6. Step 6: Final answer
    x = 6,424.58

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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.