Home / 15,419.16-21,282.42-10,054.97

Finding the Fourth Proportional to 15,419.16, 21,282.42 and 10,054.97

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Solution

The fourth proportional to 15,419.16, 21,282.42 and 10,054.97 is: 13,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.16 : 21,282.42 = 10,054.97 : x
  2. Step 2: Convert to fraction form
    15,419.16/21,282.42 = 10,054.97/x
  3. Step 3: Cross multiply
    15,419.16x = 21,282.42 × 10,054.97
  4. Step 4: Simplify right side
    15,419.16x = 213,994,025.92
  5. Step 5: Solve for x
    x = 213,994,025.92/15,419.16
  6. Step 6: Final answer
    x = 13,878.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.