Home / 19,073.06-28,615.79-9,213.47

Finding the Fourth Proportional to 19,073.06, 28,615.79 and 9,213.47

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Solution

The fourth proportional to 19,073.06, 28,615.79 and 9,213.47 is: 13,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.06 : 28,615.79 = 9,213.47 : x
  2. Step 2: Convert to fraction form
    19,073.06/28,615.79 = 9,213.47/x
  3. Step 3: Cross multiply
    19,073.06x = 28,615.79 × 9,213.47
  4. Step 4: Simplify right side
    19,073.06x = 263,650,602.65
  5. Step 5: Solve for x
    x = 263,650,602.65/19,073.06
  6. Step 6: Final answer
    x = 13,823.20

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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.