Home / 12,887.37-17,820.36-10,230.17

Finding the Fourth Proportional to 12,887.37, 17,820.36 and 10,230.17

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Solution

The fourth proportional to 12,887.37, 17,820.36 and 10,230.17 is: 14,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.37 : 17,820.36 = 10,230.17 : x
  2. Step 2: Convert to fraction form
    12,887.37/17,820.36 = 10,230.17/x
  3. Step 3: Cross multiply
    12,887.37x = 17,820.36 × 10,230.17
  4. Step 4: Simplify right side
    12,887.37x = 182,305,312.26
  5. Step 5: Solve for x
    x = 182,305,312.26/12,887.37
  6. Step 6: Final answer
    x = 14,146.04

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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.