Home / 15,460.71-21,327.62-10,986.27

Finding the Fourth Proportional to 15,460.71, 21,327.62 and 10,986.27

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Solution

The fourth proportional to 15,460.71, 21,327.62 and 10,986.27 is: 15,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.71 : 21,327.62 = 10,986.27 : x
  2. Step 2: Convert to fraction form
    15,460.71/21,327.62 = 10,986.27/x
  3. Step 3: Cross multiply
    15,460.71x = 21,327.62 × 10,986.27
  4. Step 4: Simplify right side
    15,460.71x = 234,310,936.85
  5. Step 5: Solve for x
    x = 234,310,936.85/15,460.71
  6. Step 6: Final answer
    x = 15,155.25

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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.