Home / 9,854.40-14,788.32-5,175.84

Finding the Fourth Proportional to 9,854.40, 14,788.32 and 5,175.84

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Solution

The fourth proportional to 9,854.40, 14,788.32 and 5,175.84 is: 7,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.40 : 14,788.32 = 5,175.84 : x
  2. Step 2: Convert to fraction form
    9,854.40/14,788.32 = 5,175.84/x
  3. Step 3: Cross multiply
    9,854.40x = 14,788.32 × 5,175.84
  4. Step 4: Simplify right side
    9,854.40x = 76,541,978.19
  5. Step 5: Solve for x
    x = 76,541,978.19/9,854.40
  6. Step 6: Final answer
    x = 7,767.29

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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.