Home / 13,402.30-20,103.45-4,636.30

Finding the Fourth Proportional to 13,402.30, 20,103.45 and 4,636.30

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Solution

The fourth proportional to 13,402.30, 20,103.45 and 4,636.30 is: 6,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.30 : 20,103.45 = 4,636.30 : x
  2. Step 2: Convert to fraction form
    13,402.30/20,103.45 = 4,636.30/x
  3. Step 3: Cross multiply
    13,402.30x = 20,103.45 × 4,636.30
  4. Step 4: Simplify right side
    13,402.30x = 93,205,625.24
  5. Step 5: Solve for x
    x = 93,205,625.24/13,402.30
  6. Step 6: Final answer
    x = 6,954.45

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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.