Home / 11,577.40-17,341.80-9,100.42

Finding the Fourth Proportional to 11,577.40, 17,341.80 and 9,100.42

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Solution

The fourth proportional to 11,577.40, 17,341.80 and 9,100.42 is: 13,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.40 : 17,341.80 = 9,100.42 : x
  2. Step 2: Convert to fraction form
    11,577.40/17,341.80 = 9,100.42/x
  3. Step 3: Cross multiply
    11,577.40x = 17,341.80 × 9,100.42
  4. Step 4: Simplify right side
    11,577.40x = 157,817,663.56
  5. Step 5: Solve for x
    x = 157,817,663.56/11,577.40
  6. Step 6: Final answer
    x = 13,631.53

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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.