Home / 14,148.54-21,217.79-4,150.50

Finding the Fourth Proportional to 14,148.54, 21,217.79 and 4,150.50

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Solution

The fourth proportional to 14,148.54, 21,217.79 and 4,150.50 is: 6,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.54 : 21,217.79 = 4,150.50 : x
  2. Step 2: Convert to fraction form
    14,148.54/21,217.79 = 4,150.50/x
  3. Step 3: Cross multiply
    14,148.54x = 21,217.79 × 4,150.50
  4. Step 4: Simplify right side
    14,148.54x = 88,064,437.40
  5. Step 5: Solve for x
    x = 88,064,437.40/14,148.54
  6. Step 6: Final answer
    x = 6,224.28

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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.