Home / 9,427.30-14,128.80-4,486.30

Finding the Fourth Proportional to 9,427.30, 14,128.80 and 4,486.30

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Solution

The fourth proportional to 9,427.30, 14,128.80 and 4,486.30 is: 6,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.30 : 14,128.80 = 4,486.30 : x
  2. Step 2: Convert to fraction form
    9,427.30/14,128.80 = 4,486.30/x
  3. Step 3: Cross multiply
    9,427.30x = 14,128.80 × 4,486.30
  4. Step 4: Simplify right side
    9,427.30x = 63,386,035.44
  5. Step 5: Solve for x
    x = 63,386,035.44/9,427.30
  6. Step 6: Final answer
    x = 6,723.67

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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.