Home / 11,465.90-17,237.74-9,155.42

Finding the Fourth Proportional to 11,465.90, 17,237.74 and 9,155.42

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Solution

The fourth proportional to 11,465.90, 17,237.74 and 9,155.42 is: 13,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.90 : 17,237.74 = 9,155.42 : x
  2. Step 2: Convert to fraction form
    11,465.90/17,237.74 = 9,155.42/x
  3. Step 3: Cross multiply
    11,465.90x = 17,237.74 × 9,155.42
  4. Step 4: Simplify right side
    11,465.90x = 157,818,749.55
  5. Step 5: Solve for x
    x = 157,818,749.55/11,465.90
  6. Step 6: Final answer
    x = 13,764.18

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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.