Home / 10,128.84-15,193.08-3,203.34

Finding the Fourth Proportional to 10,128.84, 15,193.08 and 3,203.34

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Solution

The fourth proportional to 10,128.84, 15,193.08 and 3,203.34 is: 4,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.84 : 15,193.08 = 3,203.34 : x
  2. Step 2: Convert to fraction form
    10,128.84/15,193.08 = 3,203.34/x
  3. Step 3: Cross multiply
    10,128.84x = 15,193.08 × 3,203.34
  4. Step 4: Simplify right side
    10,128.84x = 48,668,600.89
  5. Step 5: Solve for x
    x = 48,668,600.89/10,128.84
  6. Step 6: Final answer
    x = 4,804.95

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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.