Home / 9,712.45-14,570.58-3,869.65

Finding the Fourth Proportional to 9,712.45, 14,570.58 and 3,869.65

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Solution

The fourth proportional to 9,712.45, 14,570.58 and 3,869.65 is: 5,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.45 : 14,570.58 = 3,869.65 : x
  2. Step 2: Convert to fraction form
    9,712.45/14,570.58 = 3,869.65/x
  3. Step 3: Cross multiply
    9,712.45x = 14,570.58 × 3,869.65
  4. Step 4: Simplify right side
    9,712.45x = 56,383,044.90
  5. Step 5: Solve for x
    x = 56,383,044.90/9,712.45
  6. Step 6: Final answer
    x = 5,805.23

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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.