Home / 15,642.99-23,464.49-3,956.21

Finding the Fourth Proportional to 15,642.99, 23,464.49 and 3,956.21

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Solution

The fourth proportional to 15,642.99, 23,464.49 and 3,956.21 is: 5,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.99 : 23,464.49 = 3,956.21 : x
  2. Step 2: Convert to fraction form
    15,642.99/23,464.49 = 3,956.21/x
  3. Step 3: Cross multiply
    15,642.99x = 23,464.49 × 3,956.21
  4. Step 4: Simplify right side
    15,642.99x = 92,830,312.88
  5. Step 5: Solve for x
    x = 92,830,312.88/15,642.99
  6. Step 6: Final answer
    x = 5,934.31

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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.