Home / 12,660.98-17,471.79-6,995.63

Finding the Fourth Proportional to 12,660.98, 17,471.79 and 6,995.63

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Solution

The fourth proportional to 12,660.98, 17,471.79 and 6,995.63 is: 9,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.98 : 17,471.79 = 6,995.63 : x
  2. Step 2: Convert to fraction form
    12,660.98/17,471.79 = 6,995.63/x
  3. Step 3: Cross multiply
    12,660.98x = 17,471.79 × 6,995.63
  4. Step 4: Simplify right side
    12,660.98x = 122,226,090.92
  5. Step 5: Solve for x
    x = 122,226,090.92/12,660.98
  6. Step 6: Final answer
    x = 9,653.77

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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.