Home / 12,655.36-17,461.44-10,892.80

Finding the Fourth Proportional to 12,655.36, 17,461.44 and 10,892.80

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Solution

The fourth proportional to 12,655.36, 17,461.44 and 10,892.80 is: 15,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.36 : 17,461.44 = 10,892.80 : x
  2. Step 2: Convert to fraction form
    12,655.36/17,461.44 = 10,892.80/x
  3. Step 3: Cross multiply
    12,655.36x = 17,461.44 × 10,892.80
  4. Step 4: Simplify right side
    12,655.36x = 190,203,973.63
  5. Step 5: Solve for x
    x = 190,203,973.63/12,655.36
  6. Step 6: Final answer
    x = 15,029.52

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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.