Home / 19,173.30-26,459.10-10,789.80

Finding the Fourth Proportional to 19,173.30, 26,459.10 and 10,789.80

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Solution

The fourth proportional to 19,173.30, 26,459.10 and 10,789.80 is: 14,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.30 : 26,459.10 = 10,789.80 : x
  2. Step 2: Convert to fraction form
    19,173.30/26,459.10 = 10,789.80/x
  3. Step 3: Cross multiply
    19,173.30x = 26,459.10 × 10,789.80
  4. Step 4: Simplify right side
    19,173.30x = 285,488,397.18
  5. Step 5: Solve for x
    x = 285,488,397.18/19,173.30
  6. Step 6: Final answer
    x = 14,889.89

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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.