Home / 14,425.67-21,511.23-13,911.72

Finding the Fourth Proportional to 14,425.67, 21,511.23 and 13,911.72

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Solution

The fourth proportional to 14,425.67, 21,511.23 and 13,911.72 is: 20,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.67 : 21,511.23 = 13,911.72 : x
  2. Step 2: Convert to fraction form
    14,425.67/21,511.23 = 13,911.72/x
  3. Step 3: Cross multiply
    14,425.67x = 21,511.23 × 13,911.72
  4. Step 4: Simplify right side
    14,425.67x = 299,258,139.06
  5. Step 5: Solve for x
    x = 299,258,139.06/14,425.67
  6. Step 6: Final answer
    x = 20,744.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.