Home / 19,209.58-26,498.55-11,250.25

Finding the Fourth Proportional to 19,209.58, 26,498.55 and 11,250.25

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Solution

The fourth proportional to 19,209.58, 26,498.55 and 11,250.25 is: 15,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.58 : 26,498.55 = 11,250.25 : x
  2. Step 2: Convert to fraction form
    19,209.58/26,498.55 = 11,250.25/x
  3. Step 3: Cross multiply
    19,209.58x = 26,498.55 × 11,250.25
  4. Step 4: Simplify right side
    19,209.58x = 298,115,312.14
  5. Step 5: Solve for x
    x = 298,115,312.14/19,209.58
  6. Step 6: Final answer
    x = 15,519.10

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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.