Home / 10,908.83-15,052.55-6,127.86

Finding the Fourth Proportional to 10,908.83, 15,052.55 and 6,127.86

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Solution

The fourth proportional to 10,908.83, 15,052.55 and 6,127.86 is: 8,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.83 : 15,052.55 = 6,127.86 : x
  2. Step 2: Convert to fraction form
    10,908.83/15,052.55 = 6,127.86/x
  3. Step 3: Cross multiply
    10,908.83x = 15,052.55 × 6,127.86
  4. Step 4: Simplify right side
    10,908.83x = 92,239,888.40
  5. Step 5: Solve for x
    x = 92,239,888.40/10,908.83
  6. Step 6: Final answer
    x = 8,455.53

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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.