Home / 15,650.57-21,598.16-8,577.38

Finding the Fourth Proportional to 15,650.57, 21,598.16 and 8,577.38

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Solution

The fourth proportional to 15,650.57, 21,598.16 and 8,577.38 is: 11,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.57 : 21,598.16 = 8,577.38 : x
  2. Step 2: Convert to fraction form
    15,650.57/21,598.16 = 8,577.38/x
  3. Step 3: Cross multiply
    15,650.57x = 21,598.16 × 8,577.38
  4. Step 4: Simplify right side
    15,650.57x = 185,255,474.74
  5. Step 5: Solve for x
    x = 185,255,474.74/15,650.57
  6. Step 6: Final answer
    x = 11,836.98

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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.