Home / 10,433.99-15,651.55-2,642.87

Finding the Fourth Proportional to 10,433.99, 15,651.55 and 2,642.87

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Solution

The fourth proportional to 10,433.99, 15,651.55 and 2,642.87 is: 3,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.99 : 15,651.55 = 2,642.87 : x
  2. Step 2: Convert to fraction form
    10,433.99/15,651.55 = 2,642.87/x
  3. Step 3: Cross multiply
    10,433.99x = 15,651.55 × 2,642.87
  4. Step 4: Simplify right side
    10,433.99x = 41,364,927.08
  5. Step 5: Solve for x
    x = 41,364,927.08/10,433.99
  6. Step 6: Final answer
    x = 3,964.44

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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.