Home / 18,431.37-25,434.52-10,877.98

Finding the Fourth Proportional to 18,431.37, 25,434.52 and 10,877.98

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Solution

The fourth proportional to 18,431.37, 25,434.52 and 10,877.98 is: 15,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.37 : 25,434.52 = 10,877.98 : x
  2. Step 2: Convert to fraction form
    18,431.37/25,434.52 = 10,877.98/x
  3. Step 3: Cross multiply
    18,431.37x = 25,434.52 × 10,877.98
  4. Step 4: Simplify right side
    18,431.37x = 276,676,199.87
  5. Step 5: Solve for x
    x = 276,676,199.87/18,431.37
  6. Step 6: Final answer
    x = 15,011.16

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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.