Home / 12,466.68-17,203.44-7,157.76

Finding the Fourth Proportional to 12,466.68, 17,203.44 and 7,157.76

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Solution

The fourth proportional to 12,466.68, 17,203.44 and 7,157.76 is: 9,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.68 : 17,203.44 = 7,157.76 : x
  2. Step 2: Convert to fraction form
    12,466.68/17,203.44 = 7,157.76/x
  3. Step 3: Cross multiply
    12,466.68x = 17,203.44 × 7,157.76
  4. Step 4: Simplify right side
    12,466.68x = 123,138,094.69
  5. Step 5: Solve for x
    x = 123,138,094.69/12,466.68
  6. Step 6: Final answer
    x = 9,877.38

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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.