Home / 17,730.30-26,595.45-11,855.10

Finding the Fourth Proportional to 17,730.30, 26,595.45 and 11,855.10

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Solution

The fourth proportional to 17,730.30, 26,595.45 and 11,855.10 is: 17,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.30 : 26,595.45 = 11,855.10 : x
  2. Step 2: Convert to fraction form
    17,730.30/26,595.45 = 11,855.10/x
  3. Step 3: Cross multiply
    17,730.30x = 26,595.45 × 11,855.10
  4. Step 4: Simplify right side
    17,730.30x = 315,291,719.30
  5. Step 5: Solve for x
    x = 315,291,719.30/17,730.30
  6. Step 6: Final answer
    x = 17,782.65

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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.