Home / 10,328.10-15,499.17-6,810.54

Finding the Fourth Proportional to 10,328.10, 15,499.17 and 6,810.54

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Solution

The fourth proportional to 10,328.10, 15,499.17 and 6,810.54 is: 10,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.10 : 15,499.17 = 6,810.54 : x
  2. Step 2: Convert to fraction form
    10,328.10/15,499.17 = 6,810.54/x
  3. Step 3: Cross multiply
    10,328.10x = 15,499.17 × 6,810.54
  4. Step 4: Simplify right side
    10,328.10x = 105,557,717.25
  5. Step 5: Solve for x
    x = 105,557,717.25/10,328.10
  6. Step 6: Final answer
    x = 10,220.44

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1.5x scale

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.