Home / 19,470.60-29,171.34-13,284.36

Finding the Fourth Proportional to 19,470.60, 29,171.34 and 13,284.36

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Solution

The fourth proportional to 19,470.60, 29,171.34 and 13,284.36 is: 19,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.60 : 29,171.34 = 13,284.36 : x
  2. Step 2: Convert to fraction form
    19,470.60/29,171.34 = 13,284.36/x
  3. Step 3: Cross multiply
    19,470.60x = 29,171.34 × 13,284.36
  4. Step 4: Simplify right side
    19,470.60x = 387,522,582.24
  5. Step 5: Solve for x
    x = 387,522,582.24/19,470.60
  6. Step 6: Final answer
    x = 19,902.96

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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.