Home / 15,577.94-21,496.75-8,503.00

Finding the Fourth Proportional to 15,577.94, 21,496.75 and 8,503.00

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Solution

The fourth proportional to 15,577.94, 21,496.75 and 8,503.00 is: 11,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.94 : 21,496.75 = 8,503.00 : x
  2. Step 2: Convert to fraction form
    15,577.94/21,496.75 = 8,503.00/x
  3. Step 3: Cross multiply
    15,577.94x = 21,496.75 × 8,503.00
  4. Step 4: Simplify right side
    15,577.94x = 182,786,790.25
  5. Step 5: Solve for x
    x = 182,786,790.25/15,577.94
  6. Step 6: Final answer
    x = 11,733.69

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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.