Home / 19,013.90-26,226.72-11,455.11

Finding the Fourth Proportional to 19,013.90, 26,226.72 and 11,455.11

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Solution

The fourth proportional to 19,013.90, 26,226.72 and 11,455.11 is: 15,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.90 : 26,226.72 = 11,455.11 : x
  2. Step 2: Convert to fraction form
    19,013.90/26,226.72 = 11,455.11/x
  3. Step 3: Cross multiply
    19,013.90x = 26,226.72 × 11,455.11
  4. Step 4: Simplify right side
    19,013.90x = 300,429,962.54
  5. Step 5: Solve for x
    x = 300,429,962.54/19,013.90
  6. Step 6: Final answer
    x = 15,800.55

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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.