Home / 18,871.86-26,043.57-10,488.18

Finding the Fourth Proportional to 18,871.86, 26,043.57 and 10,488.18

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Solution

The fourth proportional to 18,871.86, 26,043.57 and 10,488.18 is: 14,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,871.86 : 26,043.57 = 10,488.18 : x
  2. Step 2: Convert to fraction form
    18,871.86/26,043.57 = 10,488.18/x
  3. Step 3: Cross multiply
    18,871.86x = 26,043.57 × 10,488.18
  4. Step 4: Simplify right side
    18,871.86x = 273,149,650.00
  5. Step 5: Solve for x
    x = 273,149,650.00/18,871.86
  6. Step 6: Final answer
    x = 14,473.91

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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.