Home / 18,120.36-25,011.60-10,568.76

Finding the Fourth Proportional to 18,120.36, 25,011.60 and 10,568.76

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Solution

The fourth proportional to 18,120.36, 25,011.60 and 10,568.76 is: 14,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.36 : 25,011.60 = 10,568.76 : x
  2. Step 2: Convert to fraction form
    18,120.36/25,011.60 = 10,568.76/x
  3. Step 3: Cross multiply
    18,120.36x = 25,011.60 × 10,568.76
  4. Step 4: Simplify right side
    18,120.36x = 264,341,597.62
  5. Step 5: Solve for x
    x = 264,341,597.62/18,120.36
  6. Step 6: Final answer
    x = 14,588.10

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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.