Home / 13,050.39-18,005.28-8,012.07

Finding the Fourth Proportional to 13,050.39, 18,005.28 and 8,012.07

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Solution

The fourth proportional to 13,050.39, 18,005.28 and 8,012.07 is: 11,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.39 : 18,005.28 = 8,012.07 : x
  2. Step 2: Convert to fraction form
    13,050.39/18,005.28 = 8,012.07/x
  3. Step 3: Cross multiply
    13,050.39x = 18,005.28 × 8,012.07
  4. Step 4: Simplify right side
    13,050.39x = 144,259,563.73
  5. Step 5: Solve for x
    x = 144,259,563.73/13,050.39
  6. Step 6: Final answer
    x = 11,054.04

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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.