Home / 13,171.74-19,773.04-10,400.28

Finding the Fourth Proportional to 13,171.74, 19,773.04 and 10,400.28

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Solution

The fourth proportional to 13,171.74, 19,773.04 and 10,400.28 is: 15,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.74 : 19,773.04 = 10,400.28 : x
  2. Step 2: Convert to fraction form
    13,171.74/19,773.04 = 10,400.28/x
  3. Step 3: Cross multiply
    13,171.74x = 19,773.04 × 10,400.28
  4. Step 4: Simplify right side
    13,171.74x = 205,645,152.45
  5. Step 5: Solve for x
    x = 205,645,152.45/13,171.74
  6. Step 6: Final answer
    x = 15,612.60

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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.