Home / 10,915.39-16,357.44-6,225.69

Finding the Fourth Proportional to 10,915.39, 16,357.44 and 6,225.69

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Solution

The fourth proportional to 10,915.39, 16,357.44 and 6,225.69 is: 9,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.39 : 16,357.44 = 6,225.69 : x
  2. Step 2: Convert to fraction form
    10,915.39/16,357.44 = 6,225.69/x
  3. Step 3: Cross multiply
    10,915.39x = 16,357.44 × 6,225.69
  4. Step 4: Simplify right side
    10,915.39x = 101,836,319.51
  5. Step 5: Solve for x
    x = 101,836,319.51/10,915.39
  6. Step 6: Final answer
    x = 9,329.61

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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.