Home / 9,329.48-12,873.57-5,349.68

Finding the Fourth Proportional to 9,329.48, 12,873.57 and 5,349.68

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Solution

The fourth proportional to 9,329.48, 12,873.57 and 5,349.68 is: 7,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.48 : 12,873.57 = 5,349.68 : x
  2. Step 2: Convert to fraction form
    9,329.48/12,873.57 = 5,349.68/x
  3. Step 3: Cross multiply
    9,329.48x = 12,873.57 × 5,349.68
  4. Step 4: Simplify right side
    9,329.48x = 68,869,479.96
  5. Step 5: Solve for x
    x = 68,869,479.96/9,329.48
  6. Step 6: Final answer
    x = 7,381.92

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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.