Home / 19,570.88-27,006.96-11,187.92

Finding the Fourth Proportional to 19,570.88, 27,006.96 and 11,187.92

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Solution

The fourth proportional to 19,570.88, 27,006.96 and 11,187.92 is: 15,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.88 : 27,006.96 = 11,187.92 : x
  2. Step 2: Convert to fraction form
    19,570.88/27,006.96 = 11,187.92/x
  3. Step 3: Cross multiply
    19,570.88x = 27,006.96 × 11,187.92
  4. Step 4: Simplify right side
    19,570.88x = 302,151,707.92
  5. Step 5: Solve for x
    x = 302,151,707.92/19,570.88
  6. Step 6: Final answer
    x = 15,438.84

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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.