Home / 15,243.93-21,043.26-9,277.47

Finding the Fourth Proportional to 15,243.93, 21,043.26 and 9,277.47

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Solution

The fourth proportional to 15,243.93, 21,043.26 and 9,277.47 is: 12,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.93 : 21,043.26 = 9,277.47 : x
  2. Step 2: Convert to fraction form
    15,243.93/21,043.26 = 9,277.47/x
  3. Step 3: Cross multiply
    15,243.93x = 21,043.26 × 9,277.47
  4. Step 4: Simplify right side
    15,243.93x = 195,228,213.35
  5. Step 5: Solve for x
    x = 195,228,213.35/15,243.93
  6. Step 6: Final answer
    x = 12,806.95

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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.