Home / 9,429.12-14,143.56-4,236.48

Finding the Fourth Proportional to 9,429.12, 14,143.56 and 4,236.48

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Solution

The fourth proportional to 9,429.12, 14,143.56 and 4,236.48 is: 6,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.12 : 14,143.56 = 4,236.48 : x
  2. Step 2: Convert to fraction form
    9,429.12/14,143.56 = 4,236.48/x
  3. Step 3: Cross multiply
    9,429.12x = 14,143.56 × 4,236.48
  4. Step 4: Simplify right side
    9,429.12x = 59,918,909.07
  5. Step 5: Solve for x
    x = 59,918,909.07/9,429.12
  6. Step 6: Final answer
    x = 6,354.67

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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.