Home / 15,650.49-21,597.72-8,480.43

Finding the Fourth Proportional to 15,650.49, 21,597.72 and 8,480.43

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Solution

The fourth proportional to 15,650.49, 21,597.72 and 8,480.43 is: 11,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.49 : 21,597.72 = 8,480.43 : x
  2. Step 2: Convert to fraction form
    15,650.49/21,597.72 = 8,480.43/x
  3. Step 3: Cross multiply
    15,650.49x = 21,597.72 × 8,480.43
  4. Step 4: Simplify right side
    15,650.49x = 183,157,952.62
  5. Step 5: Solve for x
    x = 183,157,952.62/15,650.49
  6. Step 6: Final answer
    x = 11,703.02

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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.