Home / 13,497.67-18,649.63-9,713.35

Finding the Fourth Proportional to 13,497.67, 18,649.63 and 9,713.35

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Solution

The fourth proportional to 13,497.67, 18,649.63 and 9,713.35 is: 13,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.67 : 18,649.63 = 9,713.35 : x
  2. Step 2: Convert to fraction form
    13,497.67/18,649.63 = 9,713.35/x
  3. Step 3: Cross multiply
    13,497.67x = 18,649.63 × 9,713.35
  4. Step 4: Simplify right side
    13,497.67x = 181,150,383.56
  5. Step 5: Solve for x
    x = 181,150,383.56/13,497.67
  6. Step 6: Final answer
    x = 13,420.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.