Home / 10,903.97-15,048.84-6,189.77

Finding the Fourth Proportional to 10,903.97, 15,048.84 and 6,189.77

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Solution

The fourth proportional to 10,903.97, 15,048.84 and 6,189.77 is: 8,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.97 : 15,048.84 = 6,189.77 : x
  2. Step 2: Convert to fraction form
    10,903.97/15,048.84 = 6,189.77/x
  3. Step 3: Cross multiply
    10,903.97x = 15,048.84 × 6,189.77
  4. Step 4: Simplify right side
    10,903.97x = 93,148,783.12
  5. Step 5: Solve for x
    x = 93,148,783.12/10,903.97
  6. Step 6: Final answer
    x = 8,542.65

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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.