Home / 13,310.86-19,966.48-6,383.74

Finding the Fourth Proportional to 13,310.86, 19,966.48 and 6,383.74

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Solution

The fourth proportional to 13,310.86, 19,966.48 and 6,383.74 is: 9,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.86 : 19,966.48 = 6,383.74 : x
  2. Step 2: Convert to fraction form
    13,310.86/19,966.48 = 6,383.74/x
  3. Step 3: Cross multiply
    13,310.86x = 19,966.48 × 6,383.74
  4. Step 4: Simplify right side
    13,310.86x = 127,460,817.04
  5. Step 5: Solve for x
    x = 127,460,817.04/13,310.86
  6. Step 6: Final answer
    x = 9,575.70

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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.