Home / 15,096.29-20,833.88-9,128.21

Finding the Fourth Proportional to 15,096.29, 20,833.88 and 9,128.21

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Solution

The fourth proportional to 15,096.29, 20,833.88 and 9,128.21 is: 12,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.29 : 20,833.88 = 9,128.21 : x
  2. Step 2: Convert to fraction form
    15,096.29/20,833.88 = 9,128.21/x
  3. Step 3: Cross multiply
    15,096.29x = 20,833.88 × 9,128.21
  4. Step 4: Simplify right side
    15,096.29x = 190,175,881.94
  5. Step 5: Solve for x
    x = 190,175,881.94/15,096.29
  6. Step 6: Final answer
    x = 12,597.53

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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.