Home / 11,689.30-17,522.25-4,666.78

Finding the Fourth Proportional to 11,689.30, 17,522.25 and 4,666.78

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Solution

The fourth proportional to 11,689.30, 17,522.25 and 4,666.78 is: 6,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.30 : 17,522.25 = 4,666.78 : x
  2. Step 2: Convert to fraction form
    11,689.30/17,522.25 = 4,666.78/x
  3. Step 3: Cross multiply
    11,689.30x = 17,522.25 × 4,666.78
  4. Step 4: Simplify right side
    11,689.30x = 81,772,485.86
  5. Step 5: Solve for x
    x = 81,772,485.86/11,689.30
  6. Step 6: Final answer
    x = 6,995.50

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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.