Home / 10,935.11-15,090.50-6,219.29

Finding the Fourth Proportional to 10,935.11, 15,090.50 and 6,219.29

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Solution

The fourth proportional to 10,935.11, 15,090.50 and 6,219.29 is: 8,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.11 : 15,090.50 = 6,219.29 : x
  2. Step 2: Convert to fraction form
    10,935.11/15,090.50 = 6,219.29/x
  3. Step 3: Cross multiply
    10,935.11x = 15,090.50 × 6,219.29
  4. Step 4: Simplify right side
    10,935.11x = 93,852,195.75
  5. Step 5: Solve for x
    x = 93,852,195.75/10,935.11
  6. Step 6: Final answer
    x = 8,582.65

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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.