Home / 14,820.11-22,205.49-10,428.34

Finding the Fourth Proportional to 14,820.11, 22,205.49 and 10,428.34

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Solution

The fourth proportional to 14,820.11, 22,205.49 and 10,428.34 is: 15,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.11 : 22,205.49 = 10,428.34 : x
  2. Step 2: Convert to fraction form
    14,820.11/22,205.49 = 10,428.34/x
  3. Step 3: Cross multiply
    14,820.11x = 22,205.49 × 10,428.34
  4. Step 4: Simplify right side
    14,820.11x = 231,566,388.24
  5. Step 5: Solve for x
    x = 231,566,388.24/14,820.11
  6. Step 6: Final answer
    x = 15,625.14

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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.