Home / 17,730.80-26,589.90-7,852.40

Finding the Fourth Proportional to 17,730.80, 26,589.90 and 7,852.40

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Solution

The fourth proportional to 17,730.80, 26,589.90 and 7,852.40 is: 11,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.80 : 26,589.90 = 7,852.40 : x
  2. Step 2: Convert to fraction form
    17,730.80/26,589.90 = 7,852.40/x
  3. Step 3: Cross multiply
    17,730.80x = 26,589.90 × 7,852.40
  4. Step 4: Simplify right side
    17,730.80x = 208,794,530.76
  5. Step 5: Solve for x
    x = 208,794,530.76/17,730.80
  6. Step 6: Final answer
    x = 11,775.81

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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.