Home / 10,206.34-15,309.51-3,281.38

Finding the Fourth Proportional to 10,206.34, 15,309.51 and 3,281.38

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Solution

The fourth proportional to 10,206.34, 15,309.51 and 3,281.38 is: 4,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.34 : 15,309.51 = 3,281.38 : x
  2. Step 2: Convert to fraction form
    10,206.34/15,309.51 = 3,281.38/x
  3. Step 3: Cross multiply
    10,206.34x = 15,309.51 × 3,281.38
  4. Step 4: Simplify right side
    10,206.34x = 50,236,319.92
  5. Step 5: Solve for x
    x = 50,236,319.92/10,206.34
  6. Step 6: Final answer
    x = 4,922.07

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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.