Home / 14,244.27-21,347.81-10,308.78

Finding the Fourth Proportional to 14,244.27, 21,347.81 and 10,308.78

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Solution

The fourth proportional to 14,244.27, 21,347.81 and 10,308.78 is: 15,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.27 : 21,347.81 = 10,308.78 : x
  2. Step 2: Convert to fraction form
    14,244.27/21,347.81 = 10,308.78/x
  3. Step 3: Cross multiply
    14,244.27x = 21,347.81 × 10,308.78
  4. Step 4: Simplify right side
    14,244.27x = 220,069,825.23
  5. Step 5: Solve for x
    x = 220,069,825.23/14,244.27
  6. Step 6: Final answer
    x = 15,449.71

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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.