Home / 11,938.60-17,901.74-6,319.30

Finding the Fourth Proportional to 11,938.60, 17,901.74 and 6,319.30

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Solution

The fourth proportional to 11,938.60, 17,901.74 and 6,319.30 is: 9,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.60 : 17,901.74 = 6,319.30 : x
  2. Step 2: Convert to fraction form
    11,938.60/17,901.74 = 6,319.30/x
  3. Step 3: Cross multiply
    11,938.60x = 17,901.74 × 6,319.30
  4. Step 4: Simplify right side
    11,938.60x = 113,126,465.58
  5. Step 5: Solve for x
    x = 113,126,465.58/11,938.60
  6. Step 6: Final answer
    x = 9,475.69

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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.