Home / 10,915.36-15,062.08-6,197.92

Finding the Fourth Proportional to 10,915.36, 15,062.08 and 6,197.92

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Solution

The fourth proportional to 10,915.36, 15,062.08 and 6,197.92 is: 8,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.36 : 15,062.08 = 6,197.92 : x
  2. Step 2: Convert to fraction form
    10,915.36/15,062.08 = 6,197.92/x
  3. Step 3: Cross multiply
    10,915.36x = 15,062.08 × 6,197.92
  4. Step 4: Simplify right side
    10,915.36x = 93,353,566.87
  5. Step 5: Solve for x
    x = 93,353,566.87/10,915.36
  6. Step 6: Final answer
    x = 8,552.50

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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.