Home / 19,239.07-28,859.43-7,554.82

Finding the Fourth Proportional to 19,239.07, 28,859.43 and 7,554.82

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Solution

The fourth proportional to 19,239.07, 28,859.43 and 7,554.82 is: 11,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.07 : 28,859.43 = 7,554.82 : x
  2. Step 2: Convert to fraction form
    19,239.07/28,859.43 = 7,554.82/x
  3. Step 3: Cross multiply
    19,239.07x = 28,859.43 × 7,554.82
  4. Step 4: Simplify right side
    19,239.07x = 218,027,798.95
  5. Step 5: Solve for x
    x = 218,027,798.95/19,239.07
  6. Step 6: Final answer
    x = 11,332.55

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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.