Home / 15,784.53-23,672.09-13,004.31

Finding the Fourth Proportional to 15,784.53, 23,672.09 and 13,004.31

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Solution

The fourth proportional to 15,784.53, 23,672.09 and 13,004.31 is: 19,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.53 : 23,672.09 = 13,004.31 : x
  2. Step 2: Convert to fraction form
    15,784.53/23,672.09 = 13,004.31/x
  3. Step 3: Cross multiply
    15,784.53x = 23,672.09 × 13,004.31
  4. Step 4: Simplify right side
    15,784.53x = 307,839,131.69
  5. Step 5: Solve for x
    x = 307,839,131.69/15,784.53
  6. Step 6: Final answer
    x = 19,502.58

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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.