Home / 18,087.78-24,961.32-10,130.52

Finding the Fourth Proportional to 18,087.78, 24,961.32 and 10,130.52

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Solution

The fourth proportional to 18,087.78, 24,961.32 and 10,130.52 is: 13,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.78 : 24,961.32 = 10,130.52 : x
  2. Step 2: Convert to fraction form
    18,087.78/24,961.32 = 10,130.52/x
  3. Step 3: Cross multiply
    18,087.78x = 24,961.32 × 10,130.52
  4. Step 4: Simplify right side
    18,087.78x = 252,871,151.49
  5. Step 5: Solve for x
    x = 252,871,151.49/18,087.78
  6. Step 6: Final answer
    x = 13,980.22

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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.