Home / 14,147.09-21,225.23-6,750.59

Finding the Fourth Proportional to 14,147.09, 21,225.23 and 6,750.59

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Solution

The fourth proportional to 14,147.09, 21,225.23 and 6,750.59 is: 10,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.09 : 21,225.23 = 6,750.59 : x
  2. Step 2: Convert to fraction form
    14,147.09/21,225.23 = 6,750.59/x
  3. Step 3: Cross multiply
    14,147.09x = 21,225.23 × 6,750.59
  4. Step 4: Simplify right side
    14,147.09x = 143,282,710.82
  5. Step 5: Solve for x
    x = 143,282,710.82/14,147.09
  6. Step 6: Final answer
    x = 10,128.07

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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.