Home / 10,536.03-15,803.91-3,140.55

Finding the Fourth Proportional to 10,536.03, 15,803.91 and 3,140.55

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Solution

The fourth proportional to 10,536.03, 15,803.91 and 3,140.55 is: 4,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.03 : 15,803.91 = 3,140.55 : x
  2. Step 2: Convert to fraction form
    10,536.03/15,803.91 = 3,140.55/x
  3. Step 3: Cross multiply
    10,536.03x = 15,803.91 × 3,140.55
  4. Step 4: Simplify right side
    10,536.03x = 49,632,969.55
  5. Step 5: Solve for x
    x = 49,632,969.55/10,536.03
  6. Step 6: Final answer
    x = 4,710.78

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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.