Home / 9,411.40-14,123.56-3,255.40

Finding the Fourth Proportional to 9,411.40, 14,123.56 and 3,255.40

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Solution

The fourth proportional to 9,411.40, 14,123.56 and 3,255.40 is: 4,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,411.40 : 14,123.56 = 3,255.40 : x
  2. Step 2: Convert to fraction form
    9,411.40/14,123.56 = 3,255.40/x
  3. Step 3: Cross multiply
    9,411.40x = 14,123.56 × 3,255.40
  4. Step 4: Simplify right side
    9,411.40x = 45,977,837.22
  5. Step 5: Solve for x
    x = 45,977,837.22/9,411.40
  6. Step 6: Final answer
    x = 4,885.33

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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.