Home / 13,904.56-19,182.42-8,590.16

Finding the Fourth Proportional to 13,904.56, 19,182.42 and 8,590.16

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Solution

The fourth proportional to 13,904.56, 19,182.42 and 8,590.16 is: 11,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.56 : 19,182.42 = 8,590.16 : x
  2. Step 2: Convert to fraction form
    13,904.56/19,182.42 = 8,590.16/x
  3. Step 3: Cross multiply
    13,904.56x = 19,182.42 × 8,590.16
  4. Step 4: Simplify right side
    13,904.56x = 164,780,056.99
  5. Step 5: Solve for x
    x = 164,780,056.99/13,904.56
  6. Step 6: Final answer
    x = 11,850.79

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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.