Home / 13,072.60-19,618.62-5,281.48

Finding the Fourth Proportional to 13,072.60, 19,618.62 and 5,281.48

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Solution

The fourth proportional to 13,072.60, 19,618.62 and 5,281.48 is: 7,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.60 : 19,618.62 = 5,281.48 : x
  2. Step 2: Convert to fraction form
    13,072.60/19,618.62 = 5,281.48/x
  3. Step 3: Cross multiply
    13,072.60x = 19,618.62 × 5,281.48
  4. Step 4: Simplify right side
    13,072.60x = 103,615,349.16
  5. Step 5: Solve for x
    x = 103,615,349.16/13,072.60
  6. Step 6: Final answer
    x = 7,926.15

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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.