Home / 13,059.49-18,027.24-8,813.06

Finding the Fourth Proportional to 13,059.49, 18,027.24 and 8,813.06

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Solution

The fourth proportional to 13,059.49, 18,027.24 and 8,813.06 is: 12,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.49 : 18,027.24 = 8,813.06 : x
  2. Step 2: Convert to fraction form
    13,059.49/18,027.24 = 8,813.06/x
  3. Step 3: Cross multiply
    13,059.49x = 18,027.24 × 8,813.06
  4. Step 4: Simplify right side
    13,059.49x = 158,875,159.77
  5. Step 5: Solve for x
    x = 158,875,159.77/13,059.49
  6. Step 6: Final answer
    x = 12,165.50

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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.