Home / 10,771.20-14,865.12-6,055.20

Finding the Fourth Proportional to 10,771.20, 14,865.12 and 6,055.20

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Solution

The fourth proportional to 10,771.20, 14,865.12 and 6,055.20 is: 8,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.20 : 14,865.12 = 6,055.20 : x
  2. Step 2: Convert to fraction form
    10,771.20/14,865.12 = 6,055.20/x
  3. Step 3: Cross multiply
    10,771.20x = 14,865.12 × 6,055.20
  4. Step 4: Simplify right side
    10,771.20x = 90,011,274.62
  5. Step 5: Solve for x
    x = 90,011,274.62/10,771.20
  6. Step 6: Final answer
    x = 8,356.66

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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.