Home / 15,446.44-21,316.17-9,071.56

Finding the Fourth Proportional to 15,446.44, 21,316.17 and 9,071.56

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Solution

The fourth proportional to 15,446.44, 21,316.17 and 9,071.56 is: 12,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.44 : 21,316.17 = 9,071.56 : x
  2. Step 2: Convert to fraction form
    15,446.44/21,316.17 = 9,071.56/x
  3. Step 3: Cross multiply
    15,446.44x = 21,316.17 × 9,071.56
  4. Step 4: Simplify right side
    15,446.44x = 193,370,915.13
  5. Step 5: Solve for x
    x = 193,370,915.13/15,446.44
  6. Step 6: Final answer
    x = 12,518.80

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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.