Home / 9,720.66-14,577.92-3,145.32

Finding the Fourth Proportional to 9,720.66, 14,577.92 and 3,145.32

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Solution

The fourth proportional to 9,720.66, 14,577.92 and 3,145.32 is: 4,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.66 : 14,577.92 = 3,145.32 : x
  2. Step 2: Convert to fraction form
    9,720.66/14,577.92 = 3,145.32/x
  3. Step 3: Cross multiply
    9,720.66x = 14,577.92 × 3,145.32
  4. Step 4: Simplify right side
    9,720.66x = 45,852,207.61
  5. Step 5: Solve for x
    x = 45,852,207.61/9,720.66
  6. Step 6: Final answer
    x = 4,716.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.