Home / 15,651.34-21,598.72-8,577.75

Finding the Fourth Proportional to 15,651.34, 21,598.72 and 8,577.75

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Solution

The fourth proportional to 15,651.34, 21,598.72 and 8,577.75 is: 11,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.34 : 21,598.72 = 8,577.75 : x
  2. Step 2: Convert to fraction form
    15,651.34/21,598.72 = 8,577.75/x
  3. Step 3: Cross multiply
    15,651.34x = 21,598.72 × 8,577.75
  4. Step 4: Simplify right side
    15,651.34x = 185,268,420.48
  5. Step 5: Solve for x
    x = 185,268,420.48/15,651.34
  6. Step 6: Final answer
    x = 11,837.22

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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.