Home / 9,578.40-14,354.29-5,357.85

Finding the Fourth Proportional to 9,578.40, 14,354.29 and 5,357.85

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Solution

The fourth proportional to 9,578.40, 14,354.29 and 5,357.85 is: 8,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.40 : 14,354.29 = 5,357.85 : x
  2. Step 2: Convert to fraction form
    9,578.40/14,354.29 = 5,357.85/x
  3. Step 3: Cross multiply
    9,578.40x = 14,354.29 × 5,357.85
  4. Step 4: Simplify right side
    9,578.40x = 76,908,132.68
  5. Step 5: Solve for x
    x = 76,908,132.68/9,578.40
  6. Step 6: Final answer
    x = 8,029.33

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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.