Home / 15,467.13-21,344.34-8,752.64

Finding the Fourth Proportional to 15,467.13, 21,344.34 and 8,752.64

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Solution

The fourth proportional to 15,467.13, 21,344.34 and 8,752.64 is: 12,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.13 : 21,344.34 = 8,752.64 : x
  2. Step 2: Convert to fraction form
    15,467.13/21,344.34 = 8,752.64/x
  3. Step 3: Cross multiply
    15,467.13x = 21,344.34 × 8,752.64
  4. Step 4: Simplify right side
    15,467.13x = 186,819,250.16
  5. Step 5: Solve for x
    x = 186,819,250.16/15,467.13
  6. Step 6: Final answer
    x = 12,078.47

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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.