Home / 12,256.07-16,915.10-7,153.26

Finding the Fourth Proportional to 12,256.07, 16,915.10 and 7,153.26

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Solution

The fourth proportional to 12,256.07, 16,915.10 and 7,153.26 is: 9,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.07 : 16,915.10 = 7,153.26 : x
  2. Step 2: Convert to fraction form
    12,256.07/16,915.10 = 7,153.26/x
  3. Step 3: Cross multiply
    12,256.07x = 16,915.10 × 7,153.26
  4. Step 4: Simplify right side
    12,256.07x = 120,998,012.22
  5. Step 5: Solve for x
    x = 120,998,012.22/12,256.07
  6. Step 6: Final answer
    x = 9,872.50

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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.