Home / 17,980.79-26,966.86-5,500.93

Finding the Fourth Proportional to 17,980.79, 26,966.86 and 5,500.93

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Solution

The fourth proportional to 17,980.79, 26,966.86 and 5,500.93 is: 8,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.79 : 26,966.86 = 5,500.93 : x
  2. Step 2: Convert to fraction form
    17,980.79/26,966.86 = 5,500.93/x
  3. Step 3: Cross multiply
    17,980.79x = 26,966.86 × 5,500.93
  4. Step 4: Simplify right side
    17,980.79x = 148,342,660.59
  5. Step 5: Solve for x
    x = 148,342,660.59/17,980.79
  6. Step 6: Final answer
    x = 8,250.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.