Home / 13,003.40-19,497.90-5,606.60

Finding the Fourth Proportional to 13,003.40, 19,497.90 and 5,606.60

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Solution

The fourth proportional to 13,003.40, 19,497.90 and 5,606.60 is: 8,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.40 : 19,497.90 = 5,606.60 : x
  2. Step 2: Convert to fraction form
    13,003.40/19,497.90 = 5,606.60/x
  3. Step 3: Cross multiply
    13,003.40x = 19,497.90 × 5,606.60
  4. Step 4: Simplify right side
    13,003.40x = 109,316,926.14
  5. Step 5: Solve for x
    x = 109,316,926.14/13,003.40
  6. Step 6: Final answer
    x = 8,406.80

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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.