Home / 10,210.77-15,324.53-5,281.92

Finding the Fourth Proportional to 10,210.77, 15,324.53 and 5,281.92

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Solution

The fourth proportional to 10,210.77, 15,324.53 and 5,281.92 is: 7,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.77 : 15,324.53 = 5,281.92 : x
  2. Step 2: Convert to fraction form
    10,210.77/15,324.53 = 5,281.92/x
  3. Step 3: Cross multiply
    10,210.77x = 15,324.53 × 5,281.92
  4. Step 4: Simplify right side
    10,210.77x = 80,942,915.09
  5. Step 5: Solve for x
    x = 80,942,915.09/10,210.77
  6. Step 6: Final answer
    x = 7,927.21

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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.