Home / 12,504.72-17,256.60-6,915.84

Finding the Fourth Proportional to 12,504.72, 17,256.60 and 6,915.84

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Solution

The fourth proportional to 12,504.72, 17,256.60 and 6,915.84 is: 9,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.72 : 17,256.60 = 6,915.84 : x
  2. Step 2: Convert to fraction form
    12,504.72/17,256.60 = 6,915.84/x
  3. Step 3: Cross multiply
    12,504.72x = 17,256.60 × 6,915.84
  4. Step 4: Simplify right side
    12,504.72x = 119,343,884.54
  5. Step 5: Solve for x
    x = 119,343,884.54/12,504.72
  6. Step 6: Final answer
    x = 9,543.91

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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.