Home / 10,935.09-15,089.76-6,219.27

Finding the Fourth Proportional to 10,935.09, 15,089.76 and 6,219.27

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Solution

The fourth proportional to 10,935.09, 15,089.76 and 6,219.27 is: 8,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.09 : 15,089.76 = 6,219.27 : x
  2. Step 2: Convert to fraction form
    10,935.09/15,089.76 = 6,219.27/x
  3. Step 3: Cross multiply
    10,935.09x = 15,089.76 × 6,219.27
  4. Step 4: Simplify right side
    10,935.09x = 93,847,291.68
  5. Step 5: Solve for x
    x = 93,847,291.68/10,935.09
  6. Step 6: Final answer
    x = 8,582.21

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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.