Home / 9,417.36-14,131.20-3,179.28

Finding the Fourth Proportional to 9,417.36, 14,131.20 and 3,179.28

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Solution

The fourth proportional to 9,417.36, 14,131.20 and 3,179.28 is: 4,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.36 : 14,131.20 = 3,179.28 : x
  2. Step 2: Convert to fraction form
    9,417.36/14,131.20 = 3,179.28/x
  3. Step 3: Cross multiply
    9,417.36x = 14,131.20 × 3,179.28
  4. Step 4: Simplify right side
    9,417.36x = 44,927,041.54
  5. Step 5: Solve for x
    x = 44,927,041.54/9,417.36
  6. Step 6: Final answer
    x = 4,770.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.