Home / 12,537.32-17,305.98-8,555.58

Finding the Fourth Proportional to 12,537.32, 17,305.98 and 8,555.58

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Solution

The fourth proportional to 12,537.32, 17,305.98 and 8,555.58 is: 11,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.32 : 17,305.98 = 8,555.58 : x
  2. Step 2: Convert to fraction form
    12,537.32/17,305.98 = 8,555.58/x
  3. Step 3: Cross multiply
    12,537.32x = 17,305.98 × 8,555.58
  4. Step 4: Simplify right side
    12,537.32x = 148,062,696.37
  5. Step 5: Solve for x
    x = 148,062,696.37/12,537.32
  6. Step 6: Final answer
    x = 11,809.76

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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.