Home / 18,878.24-26,049.12-10,810.64

Finding the Fourth Proportional to 18,878.24, 26,049.12 and 10,810.64

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Solution

The fourth proportional to 18,878.24, 26,049.12 and 10,810.64 is: 14,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.24 : 26,049.12 = 10,810.64 : x
  2. Step 2: Convert to fraction form
    18,878.24/26,049.12 = 10,810.64/x
  3. Step 3: Cross multiply
    18,878.24x = 26,049.12 × 10,810.64
  4. Step 4: Simplify right side
    18,878.24x = 281,607,723.76
  5. Step 5: Solve for x
    x = 281,607,723.76/18,878.24
  6. Step 6: Final answer
    x = 14,917.05

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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.