Home / 18,977.14-26,188.32-10,479.79

Finding the Fourth Proportional to 18,977.14, 26,188.32 and 10,479.79

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Solution

The fourth proportional to 18,977.14, 26,188.32 and 10,479.79 is: 14,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.14 : 26,188.32 = 10,479.79 : x
  2. Step 2: Convert to fraction form
    18,977.14/26,188.32 = 10,479.79/x
  3. Step 3: Cross multiply
    18,977.14x = 26,188.32 × 10,479.79
  4. Step 4: Simplify right side
    18,977.14x = 274,448,094.05
  5. Step 5: Solve for x
    x = 274,448,094.05/18,977.14
  6. Step 6: Final answer
    x = 14,462.04

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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.