Home / 15,923.64-21,984.57-10,261.20

Finding the Fourth Proportional to 15,923.64, 21,984.57 and 10,261.20

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Solution

The fourth proportional to 15,923.64, 21,984.57 and 10,261.20 is: 14,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.64 : 21,984.57 = 10,261.20 : x
  2. Step 2: Convert to fraction form
    15,923.64/21,984.57 = 10,261.20/x
  3. Step 3: Cross multiply
    15,923.64x = 21,984.57 × 10,261.20
  4. Step 4: Simplify right side
    15,923.64x = 225,588,069.68
  5. Step 5: Solve for x
    x = 225,588,069.68/15,923.64
  6. Step 6: Final answer
    x = 14,166.87

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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.