Home / 19,984.83-27,580.50-11,488.34

Finding the Fourth Proportional to 19,984.83, 27,580.50 and 11,488.34

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Solution

The fourth proportional to 19,984.83, 27,580.50 and 11,488.34 is: 15,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.83 : 27,580.50 = 11,488.34 : x
  2. Step 2: Convert to fraction form
    19,984.83/27,580.50 = 11,488.34/x
  3. Step 3: Cross multiply
    19,984.83x = 27,580.50 × 11,488.34
  4. Step 4: Simplify right side
    19,984.83x = 316,854,023.47
  5. Step 5: Solve for x
    x = 316,854,023.47/19,984.83
  6. Step 6: Final answer
    x = 15,854.73

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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.