Home / 9,415.28-14,126.16-4,224.80

Finding the Fourth Proportional to 9,415.28, 14,126.16 and 4,224.80

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Solution

The fourth proportional to 9,415.28, 14,126.16 and 4,224.80 is: 6,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.28 : 14,126.16 = 4,224.80 : x
  2. Step 2: Convert to fraction form
    9,415.28/14,126.16 = 4,224.80/x
  3. Step 3: Cross multiply
    9,415.28x = 14,126.16 × 4,224.80
  4. Step 4: Simplify right side
    9,415.28x = 59,680,200.77
  5. Step 5: Solve for x
    x = 59,680,200.77/9,415.28
  6. Step 6: Final answer
    x = 6,338.65

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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.