Home / 10,112.34-15,175.02-4,915.38

Finding the Fourth Proportional to 10,112.34, 15,175.02 and 4,915.38

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Solution

The fourth proportional to 10,112.34, 15,175.02 and 4,915.38 is: 7,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.34 : 15,175.02 = 4,915.38 : x
  2. Step 2: Convert to fraction form
    10,112.34/15,175.02 = 4,915.38/x
  3. Step 3: Cross multiply
    10,112.34x = 15,175.02 × 4,915.38
  4. Step 4: Simplify right side
    10,112.34x = 74,590,989.81
  5. Step 5: Solve for x
    x = 74,590,989.81/10,112.34
  6. Step 6: Final answer
    x = 7,376.23

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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.