Home / 9,346.60-12,878.81-6,357.24

Finding the Fourth Proportional to 9,346.60, 12,878.81 and 6,357.24

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Solution

The fourth proportional to 9,346.60, 12,878.81 and 6,357.24 is: 8,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.60 : 12,878.81 = 6,357.24 : x
  2. Step 2: Convert to fraction form
    9,346.60/12,878.81 = 6,357.24/x
  3. Step 3: Cross multiply
    9,346.60x = 12,878.81 × 6,357.24
  4. Step 4: Simplify right side
    9,346.60x = 81,873,686.08
  5. Step 5: Solve for x
    x = 81,873,686.08/9,346.60
  6. Step 6: Final answer
    x = 8,759.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.