Home / 15,157.82-22,741.28-9,160.58

Finding the Fourth Proportional to 15,157.82, 22,741.28 and 9,160.58

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Solution

The fourth proportional to 15,157.82, 22,741.28 and 9,160.58 is: 13,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.82 : 22,741.28 = 9,160.58 : x
  2. Step 2: Convert to fraction form
    15,157.82/22,741.28 = 9,160.58/x
  3. Step 3: Cross multiply
    15,157.82x = 22,741.28 × 9,160.58
  4. Step 4: Simplify right side
    15,157.82x = 208,323,314.74
  5. Step 5: Solve for x
    x = 208,323,314.74/15,157.82
  6. Step 6: Final answer
    x = 13,743.62

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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.