Home / 14,820.05-22,205.39-10,428.28

Finding the Fourth Proportional to 14,820.05, 22,205.39 and 10,428.28

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Solution

The fourth proportional to 14,820.05, 22,205.39 and 10,428.28 is: 15,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.05 : 22,205.39 = 10,428.28 : x
  2. Step 2: Convert to fraction form
    14,820.05/22,205.39 = 10,428.28/x
  3. Step 3: Cross multiply
    14,820.05x = 22,205.39 × 10,428.28
  4. Step 4: Simplify right side
    14,820.05x = 231,564,024.43
  5. Step 5: Solve for x
    x = 231,564,024.43/14,820.05
  6. Step 6: Final answer
    x = 15,625.05

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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.