Home / 11,530.70-17,296.06-8,902.05

Finding the Fourth Proportional to 11,530.70, 17,296.06 and 8,902.05

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Solution

The fourth proportional to 11,530.70, 17,296.06 and 8,902.05 is: 13,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.70 : 17,296.06 = 8,902.05 : x
  2. Step 2: Convert to fraction form
    11,530.70/17,296.06 = 8,902.05/x
  3. Step 3: Cross multiply
    11,530.70x = 17,296.06 × 8,902.05
  4. Step 4: Simplify right side
    11,530.70x = 153,970,259.93
  5. Step 5: Solve for x
    x = 153,970,259.93/11,530.70
  6. Step 6: Final answer
    x = 13,353.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.