Home / 19,759.36-29,663.36-13,102.08

Finding the Fourth Proportional to 19,759.36, 29,663.36 and 13,102.08

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Solution

The fourth proportional to 19,759.36, 29,663.36 and 13,102.08 is: 19,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.36 : 29,663.36 = 13,102.08 : x
  2. Step 2: Convert to fraction form
    19,759.36/29,663.36 = 13,102.08/x
  3. Step 3: Cross multiply
    19,759.36x = 29,663.36 × 13,102.08
  4. Step 4: Simplify right side
    19,759.36x = 388,651,715.79
  5. Step 5: Solve for x
    x = 388,651,715.79/19,759.36
  6. Step 6: Final answer
    x = 19,669.25

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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.