Home / 15,814.59-21,824.15-8,741.01

Finding the Fourth Proportional to 15,814.59, 21,824.15 and 8,741.01

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Solution

The fourth proportional to 15,814.59, 21,824.15 and 8,741.01 is: 12,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.59 : 21,824.15 = 8,741.01 : x
  2. Step 2: Convert to fraction form
    15,814.59/21,824.15 = 8,741.01/x
  3. Step 3: Cross multiply
    15,814.59x = 21,824.15 × 8,741.01
  4. Step 4: Simplify right side
    15,814.59x = 190,765,069.69
  5. Step 5: Solve for x
    x = 190,765,069.69/15,814.59
  6. Step 6: Final answer
    x = 12,062.60

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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.