Home / 9,515.70-14,273.55-6,405.30

Finding the Fourth Proportional to 9,515.70, 14,273.55 and 6,405.30

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Solution

The fourth proportional to 9,515.70, 14,273.55 and 6,405.30 is: 9,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.70 : 14,273.55 = 6,405.30 : x
  2. Step 2: Convert to fraction form
    9,515.70/14,273.55 = 6,405.30/x
  3. Step 3: Cross multiply
    9,515.70x = 14,273.55 × 6,405.30
  4. Step 4: Simplify right side
    9,515.70x = 91,426,369.82
  5. Step 5: Solve for x
    x = 91,426,369.82/9,515.70
  6. Step 6: Final answer
    x = 9,607.95

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Similar ratio
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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.