Home / 18,087.84-24,960.60-10,130.40

Finding the Fourth Proportional to 18,087.84, 24,960.60 and 10,130.40

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Solution

The fourth proportional to 18,087.84, 24,960.60 and 10,130.40 is: 13,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.84 : 24,960.60 = 10,130.40 : x
  2. Step 2: Convert to fraction form
    18,087.84/24,960.60 = 10,130.40/x
  3. Step 3: Cross multiply
    18,087.84x = 24,960.60 × 10,130.40
  4. Step 4: Simplify right side
    18,087.84x = 252,860,862.24
  5. Step 5: Solve for x
    x = 252,860,862.24/18,087.84
  6. Step 6: Final answer
    x = 13,979.61

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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.