Home / 14,176.28-21,218.94-9,421.53

Finding the Fourth Proportional to 14,176.28, 21,218.94 and 9,421.53

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Solution

The fourth proportional to 14,176.28, 21,218.94 and 9,421.53 is: 14,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.28 : 21,218.94 = 9,421.53 : x
  2. Step 2: Convert to fraction form
    14,176.28/21,218.94 = 9,421.53/x
  3. Step 3: Cross multiply
    14,176.28x = 21,218.94 × 9,421.53
  4. Step 4: Simplify right side
    14,176.28x = 199,914,879.78
  5. Step 5: Solve for x
    x = 199,914,879.78/14,176.28
  6. Step 6: Final answer
    x = 14,102.07

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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.