Home / 9,381.96-14,031.60-8,349.24

Finding the Fourth Proportional to 9,381.96, 14,031.60 and 8,349.24

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Solution

The fourth proportional to 9,381.96, 14,031.60 and 8,349.24 is: 12,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.96 : 14,031.60 = 8,349.24 : x
  2. Step 2: Convert to fraction form
    9,381.96/14,031.60 = 8,349.24/x
  3. Step 3: Cross multiply
    9,381.96x = 14,031.60 × 8,349.24
  4. Step 4: Simplify right side
    9,381.96x = 117,153,195.98
  5. Step 5: Solve for x
    x = 117,153,195.98/9,381.96
  6. Step 6: Final answer
    x = 12,487.07

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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.