Home / 11,069.19-15,259.36-8,944.29

Finding the Fourth Proportional to 11,069.19, 15,259.36 and 8,944.29

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Solution

The fourth proportional to 11,069.19, 15,259.36 and 8,944.29 is: 12,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.19 : 15,259.36 = 8,944.29 : x
  2. Step 2: Convert to fraction form
    11,069.19/15,259.36 = 8,944.29/x
  3. Step 3: Cross multiply
    11,069.19x = 15,259.36 × 8,944.29
  4. Step 4: Simplify right side
    11,069.19x = 136,484,141.05
  5. Step 5: Solve for x
    x = 136,484,141.05/11,069.19
  6. Step 6: Final answer
    x = 12,330.09

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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.