Home / 10,351.10-15,530.70-3,777.95

Finding the Fourth Proportional to 10,351.10, 15,530.70 and 3,777.95

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Solution

The fourth proportional to 10,351.10, 15,530.70 and 3,777.95 is: 5,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.10 : 15,530.70 = 3,777.95 : x
  2. Step 2: Convert to fraction form
    10,351.10/15,530.70 = 3,777.95/x
  3. Step 3: Cross multiply
    10,351.10x = 15,530.70 × 3,777.95
  4. Step 4: Simplify right side
    10,351.10x = 58,674,208.07
  5. Step 5: Solve for x
    x = 58,674,208.07/10,351.10
  6. Step 6: Final answer
    x = 5,668.40

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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.