Home / 12,534.19-17,299.63-8,285.49

Finding the Fourth Proportional to 12,534.19, 17,299.63 and 8,285.49

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Solution

The fourth proportional to 12,534.19, 17,299.63 and 8,285.49 is: 11,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.19 : 17,299.63 = 8,285.49 : x
  2. Step 2: Convert to fraction form
    12,534.19/17,299.63 = 8,285.49/x
  3. Step 3: Cross multiply
    12,534.19x = 17,299.63 × 8,285.49
  4. Step 4: Simplify right side
    12,534.19x = 143,335,875.12
  5. Step 5: Solve for x
    x = 143,335,875.12/12,534.19
  6. Step 6: Final answer
    x = 11,435.59

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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.