Home / 14,153.69-21,230.59-4,293.05

Finding the Fourth Proportional to 14,153.69, 21,230.59 and 4,293.05

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Solution

The fourth proportional to 14,153.69, 21,230.59 and 4,293.05 is: 6,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.69 : 21,230.59 = 4,293.05 : x
  2. Step 2: Convert to fraction form
    14,153.69/21,230.59 = 4,293.05/x
  3. Step 3: Cross multiply
    14,153.69x = 21,230.59 × 4,293.05
  4. Step 4: Simplify right side
    14,153.69x = 91,143,984.40
  5. Step 5: Solve for x
    x = 91,143,984.40/14,153.69
  6. Step 6: Final answer
    x = 6,439.59

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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.