Home / 18,867.79-26,037.68-11,798.35

Finding the Fourth Proportional to 18,867.79, 26,037.68 and 11,798.35

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Solution

The fourth proportional to 18,867.79, 26,037.68 and 11,798.35 is: 16,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.79 : 26,037.68 = 11,798.35 : x
  2. Step 2: Convert to fraction form
    18,867.79/26,037.68 = 11,798.35/x
  3. Step 3: Cross multiply
    18,867.79x = 26,037.68 × 11,798.35
  4. Step 4: Simplify right side
    18,867.79x = 307,201,661.83
  5. Step 5: Solve for x
    x = 307,201,661.83/18,867.79
  6. Step 6: Final answer
    x = 16,281.80

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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.