Home / 12,254.88-16,915.58-6,953.22

Finding the Fourth Proportional to 12,254.88, 16,915.58 and 6,953.22

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Solution

The fourth proportional to 12,254.88, 16,915.58 and 6,953.22 is: 9,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.88 : 16,915.58 = 6,953.22 : x
  2. Step 2: Convert to fraction form
    12,254.88/16,915.58 = 6,953.22/x
  3. Step 3: Cross multiply
    12,254.88x = 16,915.58 × 6,953.22
  4. Step 4: Simplify right side
    12,254.88x = 117,617,749.17
  5. Step 5: Solve for x
    x = 117,617,749.17/12,254.88
  6. Step 6: Final answer
    x = 9,597.63

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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.