Home / 13,007.60-19,504.20-5,207.60

Finding the Fourth Proportional to 13,007.60, 19,504.20 and 5,207.60

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Solution

The fourth proportional to 13,007.60, 19,504.20 and 5,207.60 is: 7,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.60 : 19,504.20 = 5,207.60 : x
  2. Step 2: Convert to fraction form
    13,007.60/19,504.20 = 5,207.60/x
  3. Step 3: Cross multiply
    13,007.60x = 19,504.20 × 5,207.60
  4. Step 4: Simplify right side
    13,007.60x = 101,570,071.92
  5. Step 5: Solve for x
    x = 101,570,071.92/13,007.60
  6. Step 6: Final answer
    x = 7,808.52

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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.