Home / 13,313.96-19,970.94-6,291.66

Finding the Fourth Proportional to 13,313.96, 19,970.94 and 6,291.66

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Solution

The fourth proportional to 13,313.96, 19,970.94 and 6,291.66 is: 9,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.96 : 19,970.94 = 6,291.66 : x
  2. Step 2: Convert to fraction form
    13,313.96/19,970.94 = 6,291.66/x
  3. Step 3: Cross multiply
    13,313.96x = 19,970.94 × 6,291.66
  4. Step 4: Simplify right side
    13,313.96x = 125,650,364.36
  5. Step 5: Solve for x
    x = 125,650,364.36/13,313.96
  6. Step 6: Final answer
    x = 9,437.49

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Similar ratio
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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.