Home / 9,517.76-14,278.80-2,944.16

Finding the Fourth Proportional to 9,517.76, 14,278.80 and 2,944.16

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Solution

The fourth proportional to 9,517.76, 14,278.80 and 2,944.16 is: 4,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.76 : 14,278.80 = 2,944.16 : x
  2. Step 2: Convert to fraction form
    9,517.76/14,278.80 = 2,944.16/x
  3. Step 3: Cross multiply
    9,517.76x = 14,278.80 × 2,944.16
  4. Step 4: Simplify right side
    9,517.76x = 42,039,071.81
  5. Step 5: Solve for x
    x = 42,039,071.81/9,517.76
  6. Step 6: Final answer
    x = 4,416.91

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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.