Home / 8,924.06-12,315-5,147.23

Finding the Fourth Proportional to 8,924.06, 12,315 and 5,147.23

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Solution

The fourth proportional to 8,924.06, 12,315 and 5,147.23 is: 7,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.06 : 12,315 = 5,147.23 : x
  2. Step 2: Convert to fraction form
    8,924.06/12,315 = 5,147.23/x
  3. Step 3: Cross multiply
    8,924.06x = 12,315 × 5,147.23
  4. Step 4: Simplify right side
    8,924.06x = 63,388,137.45
  5. Step 5: Solve for x
    x = 63,388,137.45/8,924.06
  6. Step 6: Final answer
    x = 7,103.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.