Home / 19,420.63-26,801.28-11,462.85

Finding the Fourth Proportional to 19,420.63, 26,801.28 and 11,462.85

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Solution

The fourth proportional to 19,420.63, 26,801.28 and 11,462.85 is: 15,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.63 : 26,801.28 = 11,462.85 : x
  2. Step 2: Convert to fraction form
    19,420.63/26,801.28 = 11,462.85/x
  3. Step 3: Cross multiply
    19,420.63x = 26,801.28 × 11,462.85
  4. Step 4: Simplify right side
    19,420.63x = 307,219,052.45
  5. Step 5: Solve for x
    x = 307,219,052.45/19,420.63
  6. Step 6: Final answer
    x = 15,819.21

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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.