Home / 12,444.64-17,114.76-9,896.78

Finding the Fourth Proportional to 12,444.64, 17,114.76 and 9,896.78

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Solution

The fourth proportional to 12,444.64, 17,114.76 and 9,896.78 is: 13,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.64 : 17,114.76 = 9,896.78 : x
  2. Step 2: Convert to fraction form
    12,444.64/17,114.76 = 9,896.78/x
  3. Step 3: Cross multiply
    12,444.64x = 17,114.76 × 9,896.78
  4. Step 4: Simplify right side
    12,444.64x = 169,381,057.26
  5. Step 5: Solve for x
    x = 169,381,057.26/12,444.64
  6. Step 6: Final answer
    x = 13,610.77

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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.