Home / 20,694.46-31,017.40-9,577.66

Finding the Fourth Proportional to 20,694.46, 31,017.40 and 9,577.66

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Solution

The fourth proportional to 20,694.46, 31,017.40 and 9,577.66 is: 14,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.46 : 31,017.40 = 9,577.66 : x
  2. Step 2: Convert to fraction form
    20,694.46/31,017.40 = 9,577.66/x
  3. Step 3: Cross multiply
    20,694.46x = 31,017.40 × 9,577.66
  4. Step 4: Simplify right side
    20,694.46x = 297,074,111.28
  5. Step 5: Solve for x
    x = 297,074,111.28/20,694.46
  6. Step 6: Final answer
    x = 14,355.25

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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.