Home / 17,730.90-26,567.55-11,145.30

Finding the Fourth Proportional to 17,730.90, 26,567.55 and 11,145.30

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Solution

The fourth proportional to 17,730.90, 26,567.55 and 11,145.30 is: 16,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.90 : 26,567.55 = 11,145.30 : x
  2. Step 2: Convert to fraction form
    17,730.90/26,567.55 = 11,145.30/x
  3. Step 3: Cross multiply
    17,730.90x = 26,567.55 × 11,145.30
  4. Step 4: Simplify right side
    17,730.90x = 296,103,315.02
  5. Step 5: Solve for x
    x = 296,103,315.02/17,730.90
  6. Step 6: Final answer
    x = 16,699.85

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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.