Home / 11,278.40-16,901.40-6,337.64

Finding the Fourth Proportional to 11,278.40, 16,901.40 and 6,337.64

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Solution

The fourth proportional to 11,278.40, 16,901.40 and 6,337.64 is: 9,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.40 : 16,901.40 = 6,337.64 : x
  2. Step 2: Convert to fraction form
    11,278.40/16,901.40 = 6,337.64/x
  3. Step 3: Cross multiply
    11,278.40x = 16,901.40 × 6,337.64
  4. Step 4: Simplify right side
    11,278.40x = 107,114,904.19
  5. Step 5: Solve for x
    x = 107,114,904.19/11,278.40
  6. Step 6: Final answer
    x = 9,497.35

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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.