Home / 10,209.13-15,313.69-3,283.63

Finding the Fourth Proportional to 10,209.13, 15,313.69 and 3,283.63

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Solution

The fourth proportional to 10,209.13, 15,313.69 and 3,283.63 is: 4,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.13 : 15,313.69 = 3,283.63 : x
  2. Step 2: Convert to fraction form
    10,209.13/15,313.69 = 3,283.63/x
  3. Step 3: Cross multiply
    10,209.13x = 15,313.69 × 3,283.63
  4. Step 4: Simplify right side
    10,209.13x = 50,284,491.89
  5. Step 5: Solve for x
    x = 50,284,491.89/10,209.13
  6. Step 6: Final answer
    x = 4,925.44

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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.