Home / 17,255.81-23,811.36-10,087.40

Finding the Fourth Proportional to 17,255.81, 23,811.36 and 10,087.40

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Solution

The fourth proportional to 17,255.81, 23,811.36 and 10,087.40 is: 13,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.81 : 23,811.36 = 10,087.40 : x
  2. Step 2: Convert to fraction form
    17,255.81/23,811.36 = 10,087.40/x
  3. Step 3: Cross multiply
    17,255.81x = 23,811.36 × 10,087.40
  4. Step 4: Simplify right side
    17,255.81x = 240,194,593.81
  5. Step 5: Solve for x
    x = 240,194,593.81/17,255.81
  6. Step 6: Final answer
    x = 13,919.64

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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.