Home / 14,147.76-21,208.08-6,750.24

Finding the Fourth Proportional to 14,147.76, 21,208.08 and 6,750.24

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Solution

The fourth proportional to 14,147.76, 21,208.08 and 6,750.24 is: 10,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.76 : 21,208.08 = 6,750.24 : x
  2. Step 2: Convert to fraction form
    14,147.76/21,208.08 = 6,750.24/x
  3. Step 3: Cross multiply
    14,147.76x = 21,208.08 × 6,750.24
  4. Step 4: Simplify right side
    14,147.76x = 143,159,629.94
  5. Step 5: Solve for x
    x = 143,159,629.94/14,147.76
  6. Step 6: Final answer
    x = 10,118.89

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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.