Home / 11,537.19-15,915.62-7,229.50

Finding the Fourth Proportional to 11,537.19, 15,915.62 and 7,229.50

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Solution

The fourth proportional to 11,537.19, 15,915.62 and 7,229.50 is: 9,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.19 : 15,915.62 = 7,229.50 : x
  2. Step 2: Convert to fraction form
    11,537.19/15,915.62 = 7,229.50/x
  3. Step 3: Cross multiply
    11,537.19x = 15,915.62 × 7,229.50
  4. Step 4: Simplify right side
    11,537.19x = 115,061,953.07
  5. Step 5: Solve for x
    x = 115,061,953.07/11,537.19
  6. Step 6: Final answer
    x = 9,973.13

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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.